Fits select 2018-2026 Jeep Wrangler JL and Wrangler Unlimited models (including Rubicon, Sahara, Sport, 392, and 4xe trims).

Upgrade your suspension performance and stance with the JKS Manufacturing 2.5-inch rear coil spring kit. These standard-rate coils are engineered to provide a consistent lift height and improved load-carrying capacity without compromising the on-road ride quality that JL owners expect. By replacing the factory rear springs, this kit provides the necessary clearance for larger tire diameters and increased ground clearance for technical trails.

Constructed from high-tensile steel and finished in a durable black powder coat to resist corrosion and trail debris, these springs are designed to withstand the rigors of off-road articulation while maintaining their height over time. This kit is an essential component for drivers looking to level their vehicle or complete a 2.5-inch lift system.

• Lift Height: 2.5 inches
• Position: Rear
• Fitment: Fits 2-door and 4-door models
• Finish: Black Powder Coat
• Series: Standard

Fits select 2018-2026 Jeep Wrangler JL models, including Sport, Sahara, Rubicon, Unlimited, 4xe, and Rubicon 392.

These JKS Manufacturing heavy-duty rear coil springs are engineered to handle the additional weight of aftermarket bumpers, tire carriers, and gear while maintaining 2.5 inches of lift. Unlike standard springs that sag under load, these HD coils provide the necessary rate to preserve ride height and improve suspension stability on the trail or the highway.

Designed as a direct replacement for factory springs, these coils integrate seamlessly with your JL suspension system. They provide a predictable spring rate that balances off-road articulation with controlled on-road handling, ensuring your Jeep stays level even when fully loaded for an expedition.

• Provides 2.5 inches of rear lift height
• Heavy-duty spring rate designed for vehicles with added weight/accessories
• Linear rate design for consistent performance across the full range of travel
• Finished in a durable gloss black powder coat for corrosion resistance
• Direct-fit installation into factory coil buckets

Fits select 2018-2026 Jeep Wrangler JL and Wrangler Unlimited models, including 4xe and Rubicon 392.

This JKS Manufacturing Heavy Duty front coil spring kit provides 2.5 inches of lift for the Jeep Wrangler JL, specifically engineered to handle the additional weight of aftermarket modifications. These springs are the ideal solution for Jeeps equipped with heavy steel bumpers, winches, or other front-end accessories that typically cause factory suspension to sag. By increasing the spring rate, JKS ensures your vehicle maintains its ride height and suspension travel even under increased loads.

• Provides 2.5 inches of front lift height
• Heavy Duty spring rate optimized for heavy accessories and equipment
• Designed for superior durability and sag resistance
• Durable black powder coat finish protects against corrosion and trail debris
• Direct-fit replacement for original front coil springs

Fits select 2018-2026 Jeep Wrangler JL and Unlimited (Rubicon, Sahara, Sport, 4xe, and 392).

Upgrade your Jeep Wrangler JL’s suspension with the JKS Manufacturing 2.5-inch Front Coil Spring Kit. These standard-rate springs are specifically engineered to provide 2.5 inches of lift, allowing for larger tire fitment and increased ground clearance while maintaining the factory-like ride quality essential for daily driving. These linear-rate coils are built to withstand the rigors of the trail, ensuring consistent performance and height even when equipped with heavy aftermarket accessories like bumpers or winches.

• Position: Front
• Lift Height: 2.5"
• Spring Rate: Standard
• Durable powder-coated finish for superior corrosion and debris resistance
• Engineered for improved suspension travel and off-road articulation
• Direct replacement for OE front coil springs

Fits 2000-2003 BMW M5 (E39).

Dinan Performance Springs for the E39 M5 chassis provide superior control over body roll through precision-calibrated spring rates. These springs lower the vehicle 1/4 inch in both the front and rear, optimizing the center of gravity and suspension geometry for more aggressive handling without compromising ride quality. The increased stiffness reduces front-end dive under heavy braking and rear-end compression during acceleration, delivering a more stable and predictable feel.

Engineered for long-term durability, these springs are CNC wound from high-tensile chrome silicon wire. Each spring is shot-peened for stress relief and preset to prevent future sagging, ensuring the vehicle maintains its ride height for its entire service life. The result is improved steering response and increased mechanical grip during high-speed cornering.

• CNC wound high-tensile chrome silicon wire construction
• Shot-peened for stress relief and preset to prevent sag
• Lowers vehicle 1/4 inch front and rear
• Substantial reduction in body roll and brake dive
• Designed for the 2000-2003 BMW M5 (E39)
• Manufacturer Part Number: D100-0479

Fits 2018-2025 BMW X3 M40i (G01) and X4 M40i (G02).

Enhance the handling dynamics and stance of your BMW with the Dinan Performance Spring Set. These springs provide superior control over body roll through carefully calibrated spring rates that improve suspension geometry and provide a more aggressive profile. By lowering the chassis 7/8" (22mm) at both the front and rear, these springs reduce the center of gravity for more responsive steering and increased mechanical grip during high-speed driving.

Manufactured for longevity, Dinan springs are CNC wound from high-tensile chrome silicon wire and shot-peened for stress relief to prevent sagging over the life of the vehicle. This set utilizes linear rate front springs and dual-rate rear springs to specifically counteract rear-end squat during acceleration and front-end dive under heavy braking, resulting in a more composed and confidence-inspiring driving experience.

• Lowering: 7/8" (22mm) front and rear
• Spring Stiffness: 25% increase over factory rates
• Material: CNC wound high-tensile chrome silicon wire
• Processing: Shot-peened for stress relief and durability
• Included: (2) Front linear rate springs and (2) Rear dual rate springs
• Preset to prevent spring sag

Fits 2022-2026 BMW M240i xDrive (G42) Base models.

Dinan Performance Springs improve the handling dynamics and stance of the BMW G42 M240i xDrive by utilizing precisely calibrated spring rates to manage body roll. By lowering the vehicle's center of gravity, this set improves suspension geometry and provides a more aggressive profile. Each spring is CNC wound from high-tensile chrome silicon wire and shot-peened for stress relief, ensuring the springs maintain their height and performance for the life of the vehicle.

The 24% increase in stiffness significantly reduces front-end dive during heavy braking and rear-end squat under acceleration, resulting in a more planted, controlled driving experience. These springs are specifically engineered to remain compatible with the factory Adaptive M Suspension (electronic shocks), allowing you to retain OE damping functionality while benefiting from increased mechanical grip and steering precision.

• Lowering: 7/8-inch (22mm) front and rear
• Spring Rate: 24% increase over factory front and rear
• Material: CNC wound high-tensile chrome silicon wire
• Processing: Shot-peened for stress relief and preset to prevent sag
• Configuration: Includes (2) front dual-rate springs and (2) rear linear-rate springs
• Compatibility: Engineered for use with factory electronic shocks

Fits 1993-1998 Jeep Grand Cherokee ZJ models, including Base, Laredo, Limited, Orvis, SE, TSi, and 5.9 Limited.

When preparing for remote 4x4 travel, the added weight of fuel, water, and equipment places significant strain on factory suspension. Old Man Emu front coil springs (MPN 2934) are engineered to restore ride height and significantly improve ride control under load. Rather than just lifting the vehicle, these springs are designed as part of a fully integrated system to optimize handling when paired with OME shock absorbers.

These springs are manufactured from high-strength micro-alloyed spring steel and undergo a double-scragging process to reduce internal stress and prevent sagging over time. Each coil is formed on computer-precision mandrels for consistent performance across both driver and passenger sides.

• Manufactured from micro-alloyed spring steel for maximum durability
• Double-scragged to enhance spring life and maintain ride height
• Computer-controlled mandrel forming ensures precise tolerances
• Finished in a heavy-duty, corrosion-resistant black powder coat
• Designed and manufactured in Australia for demanding off-road conditions
• Manufacturer Part Number: 2934

Fits select 2019-2026 BMW 330i, 330i xDrive, M340i, M340i xDrive, and 2021-2026 M440i xDrive models.

The Dinan Performance Spring Set (D100-0934) is engineered to enhance the handling characteristics of the G20 and G22 chassis without compromising ride quality. By optimizing spring rates and lowering the center of gravity, these springs significantly reduce body roll and improve suspension geometry. Each spring is CNC wound from high-tensile chrome silicon wire and shot-peened to relieve internal stress, ensuring they maintain their height and performance for the life of the vehicle.

Whether your BMW is equipped with conventional or factory electronic shocks, these springs integrate seamlessly to provide a more responsive steering feel. The increased stiffness minimizes front-end dive under heavy braking and rear-end squat during acceleration, resulting in a more stable and predictable platform during high-speed maneuvers.

• CNC wound high-tensile chrome silicon wire for maximum durability
• Shot-peened for stress relief and preset to prevent future sag
• Compatible with factory electronic and conventional shock absorbers
• Lowering (330i RWD): 1-1/8" front, 3/4" rear
• Lowering (330i xDrive): 5/8" front, 3/4" rear
• Lowering (M340i RWD & xDrive): 1" front and rear
• Lowering (M440i xDrive): 1-1/8" front, 5/8" rear
• Stiffness Increase (M340i RWD): 15% front and rear
• Stiffness Increase (M440i xDrive): 23% rear
• Manufacturer Part Number: D100-0934

The QA1 9HT180 High Travel Spring is engineered to optimize suspension performance by reducing unsprung weight and maximizing usable travel. Manufactured in the USA from high-tensile chrome silicon alloy spring wire, this 2.5-inch ID spring features a specialized design with fewer coils and a smaller wire diameter compared to standard springs. This construction allows the suspension to react faster and provides a larger distance between coils to prevent premature coil-bind.

• Part Number: 9HT180
• Inner Diameter: 2-1/2"
• Length: 9"
• Spring Rate: 180 lbs/in
• Material: High-tensile chrome silicon steel
• Manufacturing: Cold-wound, heat-treated, and shot-peened for fatigue resistance
• Finish: Durable silver powder coat

Each spring is precision-ground at both ends to ensure square, consistent seating and accurate operation. The high-grade alloy allows these springs to be compressed to coil-bind without affecting the free height or spring rate. QA1 stands behind their manufacturing with a lifetime guarantee that the spring will remain within 2% of its original free height and rate under normal operating conditions.

Fits select 2007-2024 Toyota 4Runner, FJ Cruiser, and Tacoma.

Old Man Emu front coil springs are engineered to provide precise ride control and handle specific load requirements for off-road and utility use. These springs are manufactured from high-strength, micro-alloyed spring steel to resist sagging and corrosion over time. Each coil is formed on computer-controlled mandrels for consistency and undergoes a double-scragging process to reduce internal stress and maximize service life.

This coil set is designed as part of a fully integrated suspension system, specifically tuned for use with OME MT64 and Nitrocharger Plus shock absorbers. The durable matte black powder coat finish provides a hard-wearing barrier against debris and environmental exposure.

• Manufacturer Part Number: 4007
• Material: High-strength micro-alloyed spring steel
• Double scragged to minimize stress and prevent spring fatigue
• Precision mandrel-formed for exact fitment and consistent spring rates
• Finished in a durable, matte black powder coat
• Optimized for use with MT64 and Nitrocharger Plus shock absorbers
• Sold as a front pair

This King Shocks 2.5" ID Coil Spring is engineered for high-performance off-road applications and custom coilover configurations. Designed to fit 2.5-inch diameter shock bodies, these springs are manufactured to strict tolerances to ensure consistent rates and reliable suspension cycling under demanding conditions.

Whether used as a primary spring or part of a dual-rate setup, this 12-inch coil provides the precise support needed for desert racing, trail use, or rock crawling. The 350lb spring rate is specifically calibrated for drivers looking to fine-tune their vehicle's ride height and bottoming resistance.

• Inner Diameter: 2.5"
• Free Length: 12"
• Spring Rate: 350 lbs/in
• Manufacturer Part Number: SPR25-12-350
• Application: Fits 2.5" coilover shocks

Engineered for professional racing applications, the Eibach ERS (Eibach Race Spring) system provides the precision and consistency required to fine-tune vehicle handling. This 170mm length spring features a 60mm inside diameter, designed to provide maximum travel while maintaining the smallest possible block height to maximize suspension stroke.

Manufactured from ultra-lightweight materials to reduce unsprung mass, every Eibach ERS spring is individually tested to ensure the highest linearity and guaranteed rate consistency. These springs are suitable for a wide range of racing applications, from primary coil-overs to pull-bar setups, allowing for meticulous chassis optimization.

• Manufacturer Part Number: 170-60-0120
• Inside Diameter: 60mm
• Free Length: 170mm
• Ultra-lightweight design for improved suspension response
• High linearity and consistent spring rates for predictable performance
• Individually tested and rated for accuracy
• Optimized for maximum travel and minimal block height

The Eibach ERS (Eibach Race Spring) system is a premier choice for professional racing and performance suspension tuning. This 7.00-inch length spring, with a 2.50-inch inner diameter and a 650 lbs/in rate, is designed for use in coilover setups, shocks, and pull-bar systems where consistent performance is mandatory.

Engineered to provide maximum travel within the smallest possible block heights, these springs help reduce unsprung mass and improve suspension response. Each component is manufactured from high-tensile steel and individually tested to ensure strict linearity and guaranteed rate consistency throughout its service life.

• Manufacturer Part Number: 0700.250.0650
• Length: 7.00 inches
• Inner Diameter: 2.50 inches
• Spring Rate: 650 lbs/in
• Series: ERS (Eibach Race Spring)
• Construction: Lightweight, high-tensile spring steel
• Consistency: Individually tested for rate accuracy and linearity

Fits 2018-2026 Jeep Wrangler JL (including Rubicon, Sahara, Sport, 4xe, and 392 models).

This RockJock rear coil spring shim provides a precise solution for fine-tuning the ride height of your Jeep Wrangler JL. Whether you need to compensate for heavier engine combinations, specific armor packages, or varying cargo loads, these 3/16-inch shims allow for incremental adjustments at the axle side.

Designed for durability and ease of installation, the shim mounts directly between the factory welded-on coil spring axle pad and the coil spring isolator. To achieve additional lift or leveling, these shims may be stacked a maximum of two high per side.

• Thickness: 3/16 inch
• Finish: Semi-gloss black powder coat
• Position: Rear Axle Side
• Installation: Mounts between factory axle pad and coil isolator
• Stacking: Maximum of 2 high
• Manufacturer Part Number: RJ-107400-1

Fits select 2018-2026 Jeep Wrangler JL and 2020-2025 Jeep Gladiator models. This RockJock front coil spring shim is designed to provide 3/16-inch of lift for fine-tuning vehicle ride height to compensate for varied engine combinations or additional equipment weight.

Precision-engineered for the axle side of the front suspension, this shim installs between the factory welded-on coil spring axle pad and the coil spring isolator. It features a center hole designed to accommodate the indexing pin of the coil spring isolator, ensuring the spring remains properly clocked and seated after installation. For increased height adjustment, these shims may be safely stacked to a maximum of two units high per side.

• Thickness: 3/16 inch
• Material: Steel construction
• Finish: Semi-gloss black powder coat
• Location: Front axle side
• Maximum Stacking: 2 shims
• Compatibility: Designed for JL Wrangler and JT Gladiator front coil spring assemblies
• Manufacturer Part Number: RJ-107100-1

Fits 1996-2000 Toyota RAV4 Base models. These Old Man Emu rear coil springs are engineered for drivers who require increased load-carrying capacity and improved ride control during remote travel or heavy use. Designed as part of a fully integrated suspension system, these springs provide a reliable solution for vehicles carrying additional gear, fuel, or water without sacrificing handling.

• Manufactured from high-strength micro-alloyed spring steel for maximum durability.
• Double scragged before and after shot peening to reduce internal spring stress and prevent sagging over time.
• Formed on computer-controlled mandrels to ensure perfect consistency and exact fitment.
• Heavy-duty black powder coat finish provides superior resistance to corrosion and road debris.
• Specifically engineered to be paired with Old Man Emu shock absorbers for optimized ride quality.
• Designed and manufactured in Australia for demanding off-road environments.
• Manufacturer Part Number: 2794

Enhance your front suspension with the QA1 8MB600 tapered chrome coil spring. Specifically engineered for QA1 Mustang II coil-over conversion systems, this spring features a 3.5-inch upper inside diameter and a 2.5-inch lower inside diameter for precise fitment. The high-luster chrome finish delivers a show-quality appearance for street rods, hot rods, and classic builds where aesthetics are as critical as handling.

QA1 springs are manufactured to be as lightweight as possible while providing maximum travel and consistent performance. Every spring is backed by a manufacturer lifetime guarantee to remain within 2% of its original free height and rate under normal operating conditions, ensuring long-term reliability for your suspension setup.

• Part Number: 8MB600
• Spring Rate: 600 lbs/in
• Length: 8 inches
• Upper ID: 3.5 inches
• Lower ID: 2.5 inches
• Finish: High-luster Chrome Plated
• Compatible with QA1 Mustang II coil-over systems
• Manufacturer lifetime guarantee on spring height and rate

Fits select 2007-2014 Jeep Wrangler JK and Wrangler Unlimited models (Rubicon, Sahara, Sport, X, and 70th Anniversary trims).

Engineered to deliver a consistent 4-inch lift over stock height, these Tuff Country front coil springs provide the clearance needed for larger tire fitment while maintaining a smooth, predictable ride. These heavy-duty springs are an ideal upgrade for JK owners looking to replace worn factory coils or swap out budget-style coil spacers for a true suspension lift. Designed to withstand the rigors of off-road use, each spring is shot-peened to increase tensile strength and fatigue life, ensuring they won't sag over time.

• Precision-engineered for 4 inches of front lift height
• Shot-peened steel construction for enhanced durability and longevity
• Resilient powder coat finish prevents corrosion and rust
• Replaces existing lifted spacers or original equipment coil springs
• Specifically tuned for Jeep JK suspension geometry
• Manufacturer Part Number: 44007
• Includes: Pair of front coil springs
• Limited Lifetime Warranty

Fits 2002-2012 Jeep Liberty (KJ/KK).

Engineered for the demands of off-road travel and remote touring, ARB Old Man Emu front coil springs provide the support and ride control needed for fully loaded 4WD vehicles. These medium-load springs are designed to handle additional weight from accessories while significantly improving vehicle stability and suspension performance over factory components. When matched with OME shock absorbers, these coils create a fully integrated suspension system tailored to the specific weight and handling characteristics of the Jeep Liberty.

• Manufactured from high-strength micro-alloyed spring steel for maximum durability and fatigue resistance
• Double scragged before and after shot peening to reduce internal spring stress and prevent sagging
• Formed on computer-precision mandrels to ensure consistent spring rates and perfect fitment
• Finished in a resilient black powder coat for long-term corrosion protection
• Constant and variable rate designs available to suit specific vehicle load requirements
• Designed and manufactured in Australia for rigorous off-road use
• Manufacturer Part Number: 2926

Fits 2016-2023 Toyota Tacoma (Limited, SR, SR5, Trail, TRD Off-Road, TRD Pro, TRD Sport).

Old Man Emu (OME) front coil springs are precision-engineered to support the additional weight of 4x4 accessories and gear during remote travel. While these springs provide an increase in ride height, their primary focus is delivering superior ride control and handling stability. Manufactured in Australia, each spring is designed to withstand the stress of a fully loaded vehicle while maintaining its height and performance over time.

• Manufactured from high-strength, micro-alloyed spring steel for maximum durability.
• Double scragged to reduce internal stress and significantly enhance spring life.
• Formed on computer-precision mandrels to ensure exact consistency and fitment.
• Finished in a heavy-duty black powder coat for long-lasting corrosion protection.
• Designed to be matched with Old Man Emu shock absorbers for a fully integrated suspension system.
• Manufacturer Part Number: 2888

Fits 1994-2002 Dodge Ram 2500 and 3500 Base models.

Level and lift your heavy-duty truck with this pair of Superlift front coil springs, designed to provide a full 5 inches of suspension lift. These springs are engineered specifically for the 1994-2002 Dodge Ram platform, utilizing engine-specific coil rates to ensure your truck maintains a controlled, comfortable ride while accommodating larger wheel and tire packages. Whether you are navigating rough terrain or handling daily hauls, these coils prevent sagging and provide the durability required for 4x4 applications.

• Provides a 5-inch front suspension lift
• Engine-specific coil rates for optimized load handling and ride quality
• Direct-fit replacement for OEM front coil springs
• High-quality construction designed to resist settling and fatigue
• Sold as a pair for a complete front axle upgrade
• Manufacturer Part Number: 146

Fits 1984-2001 Jeep Cherokee XJ and 1986-1992 Jeep Comanche MJ.

These Superlift front coil springs provide a 3-inch lift for your Jeep, engineered to balance off-road capability with consistent on-road handling. Designed by suspension specialists who understand the demands of trail use, these springs feature engine-specific coil rates to ensure the correct ride height and suspension frequency for your specific vehicle configuration.

Sold as a pair, these springs are a primary component for increasing ground clearance and allowing for larger tire fitment. They are manufactured to resist sagging and maintain their spring rate through years of cycling, making them a reliable upgrade for both daily-driven and trail-focused Jeeps.

• Lift Height: 3.0 inches
• Position: Front
• Coil Rate: Engine-specific tuning
• Quantity: Pair (2 springs)
• Manufacturer Part Number: 126

The QA1 9HT650B High Travel Spring is engineered for drivers demanding maximum suspension stroke and reduced unsprung weight. By utilizing a specialized high-tensile chrome silicon alloy wire, QA1 manufactures these 9-inch springs with a smaller wire diameter and fewer coils than standard designs. This results in a lighter spring that reacts faster to surface changes while offering significantly more travel before reaching coil bind.

Finished in a resilient black powder coat, this 2-1/2" I.D. spring is designed for consistent performance in high-stress environments. Every spring is manufactured in the USA and carries a lifetime guarantee to remain within 2% of its original free height and rate under normal operating conditions.

• Part Number: 9HT650B
• Inside Diameter: 2-1/2"
• Free Length: 9"
• Spring Rate: 650 lbs/in
• Material: High-tensile chrome silicon alloy
• Finish: Black powder coated
• Origin: Made in the USA

Optimize your suspension performance with the QA1 9HT550B High Travel Spring. These springs are engineered from a specially designed high-tensile chrome silicon alloy wire, allowing for a smaller wire diameter and fewer coils than traditional springs. This construction significantly reduces unsprung weight and allows the suspension to react faster to surface changes while providing increased travel before reaching coil bind.

Manufactured in the USA, each spring features a durable black powder-coated finish for superior corrosion resistance and longevity. QA1 backs these springs with a lifetime guarantee to remain within 2% of their original free height and rate under normal operating conditions.

• Manufacturer Part Number: 9HT550B
• Inside Diameter: 2.5 inches
• Free Length: 9 inches
• Spring Rate: 550 lbs/in
• Material: High-tensile chrome silicon alloy
• Finish: Black powder coated
• Manufacturing: Made in the USA

The QA1 9HT450B High Travel Spring is engineered for performance applications where suspension travel and weight reduction are critical. Manufactured in the USA from high-tensile chrome silicon alloy spring wire, these 2.5-inch I.D. springs feature a specialized design with a smaller wire diameter and fewer coils than standard springs. This construction significantly reduces unsprung weight and allows the suspension to react faster to surface changes.

By increasing the distance between the coils, these springs provide greater travel and minimize the risk of coil bind. Each spring is finished with a durable black powder coating for long-term corrosion resistance. QA1 provides a lifetime guarantee that these springs will remain within 2% of their original free height and rate under normal operating conditions.

• Inside Diameter: 2.5 inches
• Length: 9 inches
• Spring Rate: 450 lbs/in
• Material: High-tensile chrome silicon alloy
• Finish: Black powder coated
• Manufacturer Part Number: 9HT450B
• Origin: Made in the USA

The QA1 9HT400B High Travel Spring is engineered to provide maximum suspension travel while minimizing unsprung weight for faster shock reaction. Manufactured in the USA from high-tensile chrome silicon alloy spring wire, these springs feature a specialized design with a smaller wire diameter and fewer coils than standard alternatives. This construction increases the distance between coils to prevent coil bind and allows for a lighter overall component without sacrificing strength.

Each spring is finished with a durable black powder coating for superior corrosion resistance. QA1 ensures long-term reliability with a lifetime guarantee that the spring will remain within 2% of its original free height and rate under normal operating conditions. This makes them an ideal choice for racers and performance enthusiasts looking to optimize their coilover setup.

• Manufacturer Part Number: 9HT400B
• Inside Diameter: 2-1/2" (2.5")
• Free Length: 9"
• Spring Rate: 400 lbs/in
• Material: High-tensile chrome silicon alloy
• Finish: Black powder coated
• Origin: Made in the USA

This QA1 High Travel Spring (9HT250) is engineered to reduce unsprung weight while providing significantly more travel than standard designs. Manufactured in the USA from high-tensile chrome silicon alloy spring wire, these springs feature a smaller wire diameter and fewer coils. This specific construction allows the suspension to react faster and permits the spring to be compressed to coil-bind without affecting the spring rate or free height over time.

Each spring is cold wound, heat-treated, and shot-peened to ensure maximum durability and consistency. The ends are precision ground to ensure the spring sits square and maintains a straight, accurate line of force. Finished in a resilient silver powder coat, these 2.5-inch inner diameter springs are clearly marked with their free length and rate for easy identification during setup or tuning.

• Inner Diameter (ID): 2.5 inches
• Free Length: 9 inches
• Spring Rate: 250 lbs/in
• Material: High-tensile chrome silicon steel
• Manufacturing: Cold wound, heat treated, and shot peened
• Finish: Silver powder coated
• Ends: Squared and ground for consistent operation
• Manufacturer Part Number: 9HT250
• Guarantee: Lifetime guarantee to remain within 2% of original free height and rate

QA1 High Travel springs are engineered to maximize suspension performance by reducing unsprung weight and increasing available travel. These 2.5" I.D. springs (MPN 14HT250B) are manufactured in the USA from specialized high-tensile chrome silicon alloy. This advanced material allows for a smaller wire diameter and fewer coils than traditional springs, resulting in a significantly lighter component that reacts faster to suspension inputs.

• High Travel Design: Increased distance between coils prevents coil bind and allows for more suspension movement.
• Lightweight Construction: Chrome silicon alloy reduces unsprung weight to improve shock valving response.
• Premium Finish: Durable black powder coating protects against corrosion and debris.
• Guaranteed Performance: Lifetime guarantee to stay within 2% of original free height and rate under normal operating conditions.
• Specifications: 14-inch length, 250 lbs/in spring rate, 2.5-inch inner diameter.

The QA1 2-1/2in ID High Travel Spring (MPN 14HT250) is engineered for performance-driven suspension systems requiring maximum travel and reduced unsprung weight. Manufactured in the USA from high-tensile chrome silicon alloy, these springs utilize a specialized wire diameter and coil design that allows for fewer coils and significantly more distance between them. This reduces the weight of the spring and increases the available travel before reaching coil-bind, allowing your suspension to react faster to track and road inputs.

Every QA1 spring undergoes a rigorous manufacturing process, including cold winding, heat treating, and shot peening to maximize fatigue life and ensure the spring rate remains consistent. The ends are precision ground to ensure a square, flat seat for stable operation. Finished in a durable silver powder coat, these springs are built to endure the stresses of performance driving while maintaining their physical properties.

• Inside Diameter: 2-1/2in
• Free Length: 14in
• Spring Rate: 250 lbs/in
• Material: High-tensile Chrome Silicon Alloy Steel
• Finish: Silver Powder Coated
• End Style: Squared and Ground
• Performance Benefit: Increased travel and reduced unsprung weight
• Warranty: Lifetime guarantee to remain within 2% of original free height and rate
• Manufacturer Part Number: 14HT250