Fits 1963-1982 Chevrolet Corvette models including Base, Stingray, Collector's Edition, and Silver Anniversary Edition. This QA1 GM Pro Coil System replaces your factory front shocks and springs with a performance-oriented coil-over conversion designed for superior handling and a custom stance.

Constructed with lightweight billet aluminum bodies, these shocks feature a fully threaded exterior that allows for up to 2 inches of ride height adjustment, letting you dial in your center of gravity and weight balance. The single-adjustable valving design uses one knob to simultaneously adjust compression and rebound settings, simplifying the process of tuning your suspension for street performance or track use. The included 9-inch high-travel springs utilize a specialized wire diameter and fewer coils to reduce unsprung weight and prevent coil bind.

• Manufacturer Part Number: GS507-09450D
• Valving: Single Adjustable (Simultaneous Compression and Rebound)
• Spring Rate: 450 lbs/in
• Spring Length: 9 inches
• Mounting: Pigtail Large
• Shock Material: Billet Aluminum
• Height Adjustment: Up to 2 inches
• Installation: Easy bolt-in; compatible with factory or QA1 tubular control arms
• Quality: 100% Dyno tested and serialized; rebuildable by QA1 service centers
• Origin: Made in the USA
• Warranty: Limited Lifetime Warranty

Each kit is sold in pairs and includes all necessary hardware for a straightforward installation.

Fits 1993-2002 Chevrolet Camaro and Pontiac Firebird (V6/V8).

The QA1 Pro Coil System provides a complete front suspension solution for GM 4th Generation F-Body platforms, allowing for precision-tuned ride height and damping control. This kit features single-adjustable billet aluminum shocks, which utilize a simultaneous compression and rebound adjustment mechanism to dial in your suspension for street performance or track days. The fully threaded shock bodies enable fine-tuned stance adjustments and precise corner weighting.

This system includes American-made, lightweight high-travel springs. These 15-inch, 300lb/in springs are designed with fewer coils and a smaller wire diameter than standard springs, reducing unsprung weight and providing increased travel to prevent coil bind. Every shock is 100% dyno tested and serialized to ensure consistent performance out of the box.

• Manufacturer Part Number: GS502-15300
• Single Adjustable: Simultaneous compression and rebound valving
• Material: Lightweight billet aluminum shock bodies
• Spring Rate: 300 lbs/in
• Spring Length: 15 inches
• Installation: Easy bolt-in design with no welding required
• Serviceable and rebuildable by QA1 authorized centers
• Includes: (2) Front coil-over shocks and (2) High-travel springs
• Made in the USA

Fits select 1993-2002 Chevrolet Camaro and Pontiac Firebird models (4th Gen F-Body).

The QA1 GM Pro Front Coil-Over System (MPN GS502-15275) provides a performance-oriented suspension solution for 4th generation F-Body owners seeking adjustable ride height and valving. This single-adjustable system features a simultaneous adjustment mechanism for rebound and compression, allowing you to dial in your suspension for street performance or track applications with a simple turn of the knob. The billet aluminum shocks feature a fully threaded body, providing up to 2 inches of ride height adjustment to achieve your desired stance and improve weight balance.

This kit includes American-made high-travel springs with a 275 lbs/in rate. These springs are designed with fewer coils and a smaller wire diameter to reduce unsprung weight and prevent coil bind, resulting in faster suspension reaction and increased travel. This bolt-in system is designed to work with either factory or QA1 tubular control arms.

• Valving: Single Adjustable (Simultaneous Compression and Rebound)
• Spring Dimensions: 15 inch Length x 275 lbs/in Rate
• Material: Lightweight Billet Aluminum Shock Bodies
• Adjustment: Up to 2 inches of Ride Height Adjustment
• Included Hardware: Sold in Pairs (Front)
• Quality Assurance: 100% Dyno Tested and Serialized
• Manufacturer Part Number: GS502-15275
• Warranty: Limited Lifetime Warranty
• Origin: Made in the USA

Fits select 1967-1974 Buick Apollo, Chevrolet Camaro, Chevy II/Nova, Oldsmobile Omega, and Pontiac Firebird and Ventura.

The QA1 GM Pro Coil System provides a bolt-in solution for drivers seeking precise ride height adjustment and valving control. These systems feature lightweight billet aluminum shocks with a single adjustment knob that simultaneously controls compression and rebound, allowing you to quickly tune your suspension for street performance, autocross, or drag racing. The included American-made high-travel springs are engineered with fewer coils and a smaller wire diameter to reduce unsprung weight and increase suspension travel compared to standard springs.

• Billet aluminum threaded shock bodies for easy ride height tuning
• Single adjustable valving (simultaneous compression and rebound)
• 11-inch high-travel springs with a 250 lbs/in spring rate
• Pigtail spring design for compatible factory-style mounting
• 100% dyno tested and serialized for quality assurance
• Fully serviceable and rebuildable design
• Includes all necessary hardware for a pair of front shocks
• Made in the USA
• Manufacturer Part Number: GS401-11250A

Fits select 1973-2004 Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models including Monte Carlo, El Camino, S10, and Regal.

The QA1 GM Pro Coil System provides a direct bolt-in solution for drivers seeking precision control over ride height and shock valving. Featuring single-adjustable billet aluminum shocks, this system allows you to tune compression and rebound simultaneously via a single knob, making it easy to transition from street performance to track duty. The fully threaded shock bodies offer fine-tuned height adjustment to achieve the perfect stance and weight balance for superior handling.

This kit includes American-made high travel springs (10-inch length, 650 lbs/in rate). These springs are engineered with fewer coils and a smaller wire diameter to reduce unsprung weight and react faster to road inputs while providing increased travel. Every shock is 100% dyno tested and serialized to ensure consistent performance out of the box.

• Single adjustable valving (simultaneous compression and rebound)
• Lightweight billet aluminum coil-over shocks
• High travel 650 lb/in springs for improved suspension response
• Threaded body for precise ride height adjustability
• Serviceable and rebuildable design for longevity
• 100% Dyno tested and serialized
• Easy bolt-in installation with included hardware
• Made in the USA
• Manufacturer Part Number: GS401-10650C

Fits select 1973-2004 Buick, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles, including El Camino, Monte Carlo, Malibu, S10, and Sonoma.

The QA1 GM Pro Front Coil-Over System is engineered to provide adjustable ride height and valving control for GM A-body, G-body, X-body, and S-series platforms. This kit features single-adjustable billet aluminum shocks that allow you to simultaneously tune compression and rebound valving with one knob to suit your driving style. The fully threaded shock body enables precise ride height adjustments for the perfect stance or improved corner weighting.

Paired with American-made lightweight high-travel springs, this system uses a specialized wire diameter and fewer coils to increase suspension travel while reducing unsprung weight. These components react faster than standard OE-style springs, optimizing handling for street performance, drag racing, and autocross. Each shock is 100% dyno tested and serialized at QA1's facility in the USA.

• Single adjustable valving for simultaneous compression and rebound control
• Lightweight billet aluminum threaded shock bodies
• 10-inch high-travel springs with a 550 lbs/in spring rate
• Direct bolt-in installation to factory mounting points
• Fully serviceable and rebuildable design
• Includes two (2) complete front coil-over assemblies
• Manufacturer Part Number: GS401-10550C
• Made in the USA

Fits select 1967-1974 Buick Apollo, Chevrolet Camaro, Chevy II, Nova, Oldsmobile Omega, and Pontiac Firebird and Ventura.

The QA1 GM Pro Coil System is engineered for drivers who demand precision ride height control and adjustable valving in a bolt-in package. This system replaces the factory front shock and spring with a high-performance coil-over conversion, featuring a single-adjustable knob that simultaneously tunes compression and rebound damping. Whether you are setting up for street performance, autocross, or drag racing, the fully threaded billet aluminum body allows you to dial in the perfect stance and optimize corner weights for superior handling.

This kit includes QA1 high-travel springs, manufactured in the USA from lightweight wire with fewer coils than standard springs. This design reduces unsprung weight and increases suspension travel by maximizing the distance between coils. Each shock is 100% dyno tested and serialized to ensure consistent performance right out of the box.

• Manufacturer Part Number: GS401-10500A
• Adjustment Type: Single Adjustable (Simultaneous Compression & Rebound)
• Spring Rate: 500 lbs/in
• Spring Length: 10 inches
• Material: Lightweight Billet Aluminum
• Mounting: Pigtail style lower mount for direct bolt-in installation
• Serviceability: Fully rebuildable and serviceable by QA1 authorized centers
• Origin: Made in the USA

Fits select 1967-1974 Chevrolet Camaro and Nova, Pontiac Firebird and Ventura, Buick Apollo, and Oldsmobile Omega models. This QA1 GM Pro Coil System offers a direct-fit solution for drivers seeking total control over stance and damping. The system features single-adjustable valving, allowing you to tune compression and rebound simultaneously with one knob to match your specific driving style, whether on the street or the track.

The shocks are constructed from lightweight billet aluminum with a fully threaded body, providing precise ride height adjustability for the perfect stance or improved weight corner balancing. Included are QA1 high-travel springs, which are engineered with fewer coils and a smaller wire diameter to increase suspension travel while reducing unsprung weight. Every shock is 100% dyno tested and serialized to ensure consistent performance out of the box.

• MPN: GS401-10450A
• Adjustment Type: Single Adjustable (Simultaneous Compression & Rebound)
• Spring Rate: 450 lbs/in
• Spring Length: 10 inches
• Spring Type: Pigtail
• Shock Material: Billet Aluminum
• Installation: Easy Bolt-In
• Origin: Made in the USA
• Quantity: Sold as a Pair

These units are fully serviceable and rebuildable by QA1 authorized centers, ensuring long-term reliability for your classic GM F-Body or X-Body vehicle.

Fits select 1968-1972 Buick Skylark, Chevrolet Chevelle/El Camino, GMC Sprint, Oldsmobile 442/Cutlass, and Pontiac GTO/LeMans models.

The QA1 Pro Coil System (GS401-10400B) provides a complete bolt-in solution for GM A-body owners seeking professional-grade handling and adjustable ride height. This single-adjustable system features a billet aluminum shock body that allows for simultaneous adjustment of compression and rebound valving via a single knob, making it easy to tune your suspension for street performance or drag racing. The fully threaded body allows for precise stance adjustments and corner balancing without removing the shocks from the vehicle.

Included in this kit are American-made high-travel springs with a 400 lbs/in rate. These springs utilize a specialized wire diameter and fewer coils to reduce unsprung weight and increase suspension travel compared to traditional coil-over springs. Every shock is 100% dyno tested and serialized to ensure consistent performance out of the box.

• Billet aluminum shock construction for lightweight durability
• Single adjustable valving for simultaneous compression and rebound control
• 10-inch high-travel springs (400 lbs/in) optimize suspension response
• Direct bolt-in installation to factory mounting points
• Fully serviceable and rebuildable design
• Includes flat spring seat hardware
• Manufacturer Part Number: GS401-10400B
• Made in the USA

Fits select 2007-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 (2WD and 4WD).

The QA1 Pro-Coil system is a fully bolt-in front suspension solution designed to replace the factory equipment and provide total control over stance and damping. These double-adjustable coilovers feature independent tunability for both rebound and compression, allowing you to dial in your truck for street performance or track use. The threaded aluminum shock bodies enable easy ride height adjustments, offering a 1" to 3" drop with stock spindles or a 3" to 5" drop when paired with aftermarket drop spindles.

Engineered to handle the payload requirements of modern trucks, this heavy-duty system replaces maintenance-heavy spherical bearings with durable polyurethane bushings and a 1" chromoly T-bar. Made in Lakeville, Minnesota, these coilovers provide a significant upgrade in ride quality and handling response.

• Manufacturer Part Number: GD518-10950
• Adjustability: Double-adjustable valving (independent rebound and compression)
• Ride Height Drop: 1" to 3" (stock spindles) or 3" to 5" (drop spindles)
• Material: Threaded aluminum bodies with 1" chromoly T-bar
• Bushings: High-durometer polyurethane
• Installation: Fully bolt-in; no welding or custom fabrication required
• Origin: Made in the USA
• Warranty: Lifetime shock warranty (requires registration)

Fits select 1958-1996 Chevrolet (Bel Air, Biscayne, Caprice, Del Ray, Impala), 1960-1964 Ford (Galaxie, Edsel Ranger), and 1960-1964 Mercury (Monterey, Marauder, Meteor, Country Cruiser).

The QA1 GM Pro Front Coil-Over System provides a comprehensive suspension upgrade for enthusiasts demanding precision ride height and damping control. This double-adjustable system features independent knobs for compression and rebound, allowing you to fine-tune the suspension for specific driving conditions, from street cruising to competitive track use. The billet aluminum shock bodies are fully threaded, providing up to 2 inches of ride height adjustment to help you achieve the perfect stance and weight balance.

This kit includes QA1 High Travel springs, manufactured in the USA from lightweight wire with fewer coils than traditional springs. This design reduces unsprung weight and increases suspension travel by providing more room between coils. Designed as a direct bolt-in solution, these coil-overs install easily into factory mounting points and are compatible with both OE and QA1 tubular control arms.

• Manufacturer Part Number: GD507-10550C
• Adjustment: Double Adjustable (Independent Rebound and Compression)
• Spring Rate: 550 lbs/in
• Spring Length: 10 inches
• Shock Material: Lightweight Billet Aluminum
• Height Adjustment: Up to 2 inches from factory height
• Construction: 100% Dyno Tested and Serialized; Made in the USA
• Serviceability: Fully rebuildable by QA1 authorized centers

Fits select 1958-1996 Chevrolet, Ford, Mercury, and Edsel full-size vehicles, including Bel Air, Biscayne, Caprice, Impala, Galaxie, Monterey, and Marauder.

Achieve professional-grade handling and a customized stance with the QA1 GM Pro Front Coil-Over System. This double-adjustable kit provides independent control over both rebound and compression valving, allowing you to fine-tune your suspension for specific driving conditions, from street performance to competitive autocross or drag racing. The billet aluminum shocks feature a fully threaded body for up to 2 inches of ride height adjustment, enabling precise weight balancing and the perfect vehicle profile.

The system includes QA1 high-travel springs, manufactured in the USA from lightweight wire with a reduced coil count. This design increases suspension travel and reduces unsprung weight for faster reaction times and improved tire contact. These shocks are 100% dyno-tested and serialized to ensure consistent performance out of the box. Designed as a direct bolt-in solution, this system integrates seamlessly with factory mounting points or upgraded QA1 tubular control arms.

• Manufacturer Part Number: GD507-10500C
• Adjustment Type: Double Adjustable (Independent Compression and Rebound)
• Spring Rate: 500 lbs/in
• Spring Length: 10 inches
• Material: Lightweight Billet Aluminum
• Mounting: Flat Large
• Adjustment Range: Up to 2" Ride Height Adjustment
• Serviceability: Fully Rebuildable and Serviceable
• Warranty: Limited Lifetime Warranty
• Origin: Made in the USA

Fits select 1958-1996 Chevrolet (Impala, Caprice, Bel Air), Ford (Galaxie), Mercury (Monterey, Marauder, Meteor), and Edsel models.

The QA1 GM Pro Coil System offers independent control over compression and rebound damping, allowing you to fine-tune your suspension for specific driving conditions, from street performance to competitive track use. These coil-overs feature a fully threaded billet aluminum body that provides up to 2 inches of ride height adjustment, enabling you to dial in the perfect stance and improve weight balance for better cornering and handling.

This system includes American-made high travel springs (10 inch length, 450 lbs/in rate). These springs utilize a smaller wire diameter and fewer coils than standard springs to reduce unsprung weight and provide more travel before coil bind. Designed for a direct bolt-in installation, this kit works seamlessly with factory mounts or upgraded tubular control arms.

• Manufacturer Part Number: GD507-10450C
• Independent double-adjustable valving (compression and rebound)
• Lightweight 6061-T6 billet aluminum shock bodies
• 10" x 450 lbs/in high travel silver powder-coated springs
• Up to 2 inches of ride height adjustment
• 100% dyno tested and serialized
• Fully serviceable and rebuildable design
• Made in the USA
• Includes high-quality mounting hardware

Fits select 1955-1967 Buick, Chevrolet, Oldsmobile, and Pontiac vehicles, including Chevelle, GTO, Skylark, and 3100-3800 series trucks.

Achieve professional-grade suspension tuning with the QA1 GM Pro Coil System. This double-adjustable front coil-over kit provides independent control over both compression and rebound valving, allowing you to dial in precise handling characteristics for street performance, drag racing, or autocross. The lightweight billet aluminum shock bodies feature a fully threaded exterior for up to 2 inches of ride height adjustment, enabling the perfect stance while maintaining optimal suspension geometry.

This system includes QA1 high-travel springs, manufactured in the USA from lightweight wire with fewer coils than standard springs. This design reduces unsprung weight and prevents coil bind by providing a larger distance between coils, resulting in faster suspension reaction times. These units are 100% dyno-tested and serialized, ensuring consistent performance out of the box. Designed for an easy bolt-in installation, they compatible with factory control arms or upgraded QA1 tubular units.

• Manufacturer Part Number: GD501-10450A
• Adjustment Type: Double Adjustable (Independent Compression & Rebound)
• Spring Rate: 450 lbs/in
• Spring Length: 10 inches
• Shock Material: Lightweight Billet Aluminum
• Mounting: Pigtail style lower mount
• Height Adjustment: Up to 2 inches
• Serviceability: Fully rebuildable and serviceable
• Origin: Made in the USA
• Warranty: Limited Lifetime Warranty

Fits select 1968-1972 Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models, including Chevelle, GTO, Skylark, Cutlass, and El Camino.

The QA1 GM Pro Front Coil-Over System (GD401-10550B) offers independent control over compression and rebound valving, allowing you to fine-tune your suspension for street performance, drag racing, or road course applications. These double-adjustable billet aluminum shocks feature a fully threaded body for up to 2 inches of ride height adjustment to achieve the perfect stance and corner balance.

Paired with 10-inch, 550lb/in high-travel springs, this system utilizes a specialized wire diameter and fewer coils to increase suspension travel while reducing unsprung weight. The bolt-in design is compatible with factory or QA1 tubular control arms for a straightforward installation that improves response and handling.

• Double adjustable for independent compression and rebound tuning
• Lightweight billet aluminum shocks with 100% dyno testing and serialization
• 10-inch high-travel springs with 550lb/in spring rate
• Up to 2 inches of ride height adjustment
• Serviceable and rebuildable by QA1 authorized centers
• Includes limited lifetime warranty
• Proudly made in the USA
• Manufacturer Part Number: GD401-10550B

Fits select 1967-1974 Buick, Chevrolet, Oldsmobile, and Pontiac models including Camaro, Firebird, Nova, Ventura, Apollo, and Omega.

The QA1 GM Pro Front Coil-Over System (GD401-10450A) provides professional-grade suspension tuning for classic GM F-Body and X-Body platforms. These double-adjustable shocks feature independent knobs for compression and rebound, allowing you to dial in your ride quality and handling performance for street driving, autocross, or drag racing without removing the shocks from the vehicle.

Constructed with lightweight billet aluminum bodies, these shocks utilize a fully threaded design for up to 2 inches of ride height adjustment to achieve the perfect stance. The system includes American-made high-travel springs with a 450 lbs/in rate, designed with fewer coils and a smaller wire diameter to reduce unsprung weight and maximize travel. The pigtail spring seat configuration ensures a direct bolt-in fit for factory or QA1 tubular control arms.

• Adjustment Type: Double Adjustable (Independent Compression & Rebound)
• Spring Rate: 450 lbs/in
• Spring Length: 10 Inches
• Shock Material: Lightweight Billet Aluminum
• Installation: Easy Bolt-In; compatible with factory or QA1 control arms
• Quality: 100% Dyno Tested and Serialized; Serviceable and Rebuildable
• Manufacturing: Made in the USA
• Warranty: Limited Lifetime Warranty

Fits select 1973-2004 Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models, including Regal, Monte Carlo, El Camino, S10, and Sonoma. This QA1 GM Pro Coil System provides the ultimate level of front suspension tuning for street performance, drag racing, and pro-touring applications.

This double-adjustable system allows for independent control over compression and rebound valving, enabling you to dial in your suspension for specific track conditions or street comfort. The billet aluminum shocks feature a fully threaded body, allowing for up to 2 inches of ride height adjustment to achieve the perfect stance and improve weight balance. The included 10-inch, 400lb/in high-travel springs are manufactured in the USA with a specialized wire diameter and fewer coils to reduce unsprung weight and provide increased travel without binding.

• Manufacturer Part Number: GD401-10400C
• Independent compression and rebound double-adjustable valving
• Lightweight billet aluminum coil-over shocks
• 10-inch high-travel springs with 400lb/in rate
• Up to 2 inches of ride height adjustment
• Easy bolt-in installation to factory or QA1 tubular control arms
• 100% dyno tested and serialized
• Fully serviceable and rebuildable design
• Includes one pair of front coil-overs
• Limited Lifetime Warranty
• Made in the USA

Fits select 1968-1972 Buick Skylark/Special, Chevrolet Chevelle/El Camino, GMC Sprint, Oldsmobile 442/Cutlass/Vista Cruiser, and Pontiac GTO/LeMans/Tempest.

The QA1 GM Pro Coil System is a bolt-in suspension upgrade engineered to provide independent control over both rebound and compression valving. Designed for the GM A-Body platform, this system features double-adjustable billet aluminum shocks with a fully threaded body, allowing for precise ride height adjustments up to 2 inches. This enables you to dial in a perfect stance while optimizing weight balance for improved cornering and handling.

This kit includes QA1’s American-made high travel springs (10-inch length, 400 lbs/in rate). These lightweight springs are manufactured with fewer coils and a smaller wire diameter than traditional springs, reducing unsprung weight and providing more suspension travel. Whether you are setting up a car for street performance, autocross, or drag racing, this system offers the tunability needed for diverse driving environments. Each shock is 100% dyno tested and serialized to ensure consistent performance out of the box.

• Manufacturer Part Number: GD401-10400B
• Valving Type: Double Adjustable (Independent Compression & Rebound)
• Spring Rate: 400 lbs/in
• Spring Length: 10 inches
• Material: Lightweight Billet Aluminum Shocks
• Installation: Direct bolt-in; compatible with factory or QA1 tubular control arms
• Adjustability: Ride height adjustable up to 2 inches
• Origin: Made in the USA
• Quantity: Sold in Pairs
• Serviceability: Rebuildable by QA1 Authorized Service Centers

The QA1 Pro Rear Weld-In Coil-Over System (DD501-12150) is a professional-grade suspension solution designed for drag racing, street performance, and custom street rod applications. This kit features independent compression and rebound adjustment, allowing you to fine-tune your vehicle's weight transfer and ride quality with precision-defined valving curves that ensure consistent performance between every click.

• Independent Valving: Double adjustable (DD) design for separate control over compression and rebound settings.
• Premium Construction: Lightweight aluminum shock bodies with a 5/8" centerless ground, hard chrome-plated solid piston rod.
• Durability: Features a precision-machined aluminum piston with a PTFE piston band and a three-step sealing system to prevent leaks.
• Serviceability: 100% dyno tested and serialized; fully revalveable and rebuildable by QA1 factory or authorized centers.
• Fitment: Designed to weld onto 3" diameter axle tubes; includes ride-height adjustable hardware.
• Specs: 12" shock length with 150 lbs/in linear rate springs.

Kit Includes: (2) DD Series Proma Star or Aluma Matic shocks, (2) linear or variable rate springs, and all necessary mounting hardware. Made in the USA.

Fits 1965-1979 Ford F-100 and F-150 trucks equipped with QA1 front suspension systems.

These QA1 engine mounts are engineered specifically for enthusiasts swapping a Ford Modular or Coyote engine into a classic 1965-1979 F-100 or F-150. Designed to work exclusively with QA1 F-100 front coil-over conversion systems and K-members, these brackets ensure proper engine placement and structural integrity. The modular design allows these mounts to be interchangeable with other QA1 F-100 engine brackets, providing a simplified path for future engine swaps without requiring a complete teardown of the front suspension.

• Specifically designed for Ford Modular and Coyote engine platforms
• Compatible with QA1 F-100 front suspension K-members
• Interchangeable bracket system allows for easy future engine changes
• Precision-engineered for a bolt-in fit with QA1 systems
• Proudly made in the USA
• Manufacturer Part Number: 7740-253

Fits 1965-1979 Ford F-100 and F-150 trucks equipped with FE-series engines.

These QA1 engine mounts are engineered specifically for use with QA1 F-100 front coil-over suspension systems and K-members. Designed for enthusiasts performing an engine swap or modernizing their classic Ford truck chassis, these mounts provide the precise alignment and structural integrity required for high-performance applications.

Built for versatility, these brackets are interchangeable with other QA1 F-100 engine mount options. This modular design allows you to easily switch engine platforms in the future without replacing the entire crossmember assembly. Each mount is manufactured in the USA to ensure strict quality standards and a perfect fit with your existing QA1 hardware.

• Designed specifically for Ford FE-series engines
• Required for use with QA1 F-100 front suspension/K-members
• Interchangeable design facilitates easy future engine swaps
• Heavy-duty construction for reliable engine support
• Made in the USA
• Manufacturer Part Number: 7740-251

Fits select 1965-1979 Ford F-100 and F-150 trucks. This kit provides a comprehensive solution for modernizing the front suspension of your Ford pickup, replacing outdated twin I-beam components with a purpose-built, bolt-in system.

Engineered to improve handling and stance, this front coil-over conversion is 3.75 inches narrower than a standard Crown Vic swap, allowing for increased clearance for larger wheel and tire combinations. The system reduces front-end weight by 150 lbs and offers a ride height adjustment of 3 to 5 inches of drop using the included standard spindles. Each kit features QA1 single-adjustable shocks with 18 valving positions, allowing you to fine-tune the damping for your specific driving needs.

• Adjustable Stance: Provides a 3" to 5" drop with included standard spindles (5" to 7" with optional drop spindles).
• Weight Savings: Sheds 150 lbs from the front end compared to factory components.
• Modernized Steering: Includes power rack and pinion steering for precise control.
• Premium Build: Features tubular upper and lower control arms and engineered crossmembers.
• High-Travel Springs: 500 lbs/in spring rate optimized for performance and ride quality.
• Quality Assurance: All shocks are 100% dyno tested and serialized; components are made in QA1's Lakeville, Minnesota facility.

Kit Includes: Upper and lower control arms, upper and lower crossmembers, rack and pinion steering, standard spindles, single-adjustable shocks, 500 lbs/in high-travel springs, and all necessary installation hardware.

Fits select 1963-1987 Chevrolet C10, C10 Pickup, C10 Panel, and C10 Suburban models.

The QA1 Front Coil-Over Conversion Kit (MPN 52611-S850) provides a comprehensive suspension overhaul for classic Chevy trucks, replacing dated factory components with modern, adjustable geometry. This bolt-in system is engineered to improve handling and stance without the need for a full chassis swap. By combining tubular upper and lower control arms with single-adjustable coil-overs, this kit allows for precise tuning of both ride height and damping characteristics.

This kit features high-travel 850 lbs/in springs and shocks with single-adjustable valving, allowing you to dial in the rebound and compression simultaneously to suit your driving style. The included tubular control arms are designed with performance-enhancing geometry, providing up to 7 degrees of increased caster for significantly improved high-speed stability and steering feel. When paired with popular drop spindles, this system can achieve up to a 5-inch total drop.

• MPN: 52611-S850
• Spring Rate: 850 lbs/in
• Adjustment Type: Single Adjustable (Simultaneous compression/rebound)
• Alignment Benefits: Adds up to 7 degrees of positive caster
• Ride Height: Adjustable height; up to 5-inch drop possible with drop spindles
• Components: Tubular upper and lower control arms, coil-over shocks, high-travel springs, upper brackets, and all required mounting hardware
• Origin: Made in the USA