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

Fits select 1963-1986 Chevrolet C10, C10 Suburban, C10 Pickup, and C10 Panel models. This QA1 front coil-over conversion kit provides a complete suspension overhaul for your classic C10, allowing you to achieve a modern stance and significantly improved handling without a full chassis swap.

Designed as a direct bolt-in upgrade, this kit includes upper and lower control arms engineered with performance geometry that provides up to 7 degrees of increased caster. This additional caster dramatically improves high-speed stability and steering feel. The single adjustable coil-over shocks allow you to fine-tune your rebound valving to match your driving style, while the 750lbs/in high-travel springs support heavier front-end configurations or performance street applications.

• Direct Fit: Replaces factory front suspension components with stronger, modern geometry.
• Adjustable Ride Height: Find the perfect stance; compatible with drop spindles for up to a 5-inch total drop.
• Single Adjustable Valving: Easily adjust shock rebound with a single knob to tune ride quality.
• Increased Caster: Geometry adds up to 7 degrees of caster for superior directional stability.
• Complete Kit: Includes upper and lower control arms, single adjustable shocks, 750lbs/in high-travel springs, upper mounting brackets, and all necessary installation hardware.
• Manufacturer Part Number: 52611-S750
• Origin: Made in the USA.

Fits 1963-1986 Chevrolet C10, C10 Panel, and C10 Suburban (All Trims).

The QA1 Front Coil-Over Conversion Kit (MPN 52611-S650) provides a complete suspension overhaul for classic C10 trucks. This system replaces outdated factory suspension with a modern coil-over setup, allowing for precise ride height adjustment and significantly improved handling. By integrating tubular upper and lower control arms, the kit adds up to 7 degrees of increased caster, enhancing high-speed stability and steering feel. When paired with popular aftermarket drop spindles, this conversion can achieve up to a 5-inch drop for a perfect stance.

Built with performance-enhancing geometry and heavy-duty materials, this bolt-in kit is manufactured in the USA. The single-adjustable shocks feature simultaneous compression and rebound tuning to suit your driving style. The 650 lbs/in high-travel springs are engineered to handle the front-end weight of the C10 while maintaining a controlled, responsive ride.

• Single Adjustable Valving: Simultaneous compression and rebound adjustment for versatile street and performance tuning.
• Optimized Geometry: Included control arms provide up to 7 degrees of caster for better tracking and driveability.
• High-Travel Springs: Heavy-duty 650 lbs/in spring rate designed for durability and consistent performance.
• Adjustable Stance: Easily adjust ride height; supports up to a 5-inch drop when used with drop spindles.
• Bolt-In Installation: Designed to mount to factory points; includes upper brackets and all necessary hardware.
• Manufacturing: Made in the USA.
• Manufacturer Part Number: 52611-S650

Fits 1963-1986 Chevrolet C10, C10 Panel, and C10 Suburban models.

The QA1 Double Adjustable Front Coil-Over Conversion Kit provides a comprehensive suspension upgrade for classic C10 trucks, allowing you to dial in the perfect stance and handling without a full chassis replacement. This system features double-adjustable shocks that provide independent control over compression and rebound, paired with heavy-duty 850 lbs/in high-travel springs. The included tubular upper and lower control arms are engineered to correct suspension geometry, providing up to 7 degrees of increased caster for improved directional stability and steering response.

• Provides adjustable ride height and supports up to a 5-inch drop when used with compatible drop spindles.
• Double-adjustable valving allows for precision tuning of ride quality and handling performance.
• Tubular control arm construction offers significantly higher strength than factory stamped-steel components.
• Revised geometry increases caster by 7 degrees to improve driveability.
• Direct bolt-in installation with no major modifications required.
• Includes upper and lower control arms, double adjustable shocks, high-travel springs, upper brackets, and installation hardware.
• Made in the USA.
• Manufacturer Part Number: 52611-D850

Fits 1963-1986 Chevrolet C10, C10 Pickup, C10 Panel, and C10 Suburban.

Modernize your classic truck's handling and stance with the QA1 Front Coil-Over Conversion Kit (MPN 52611-D750). Designed specifically for the C10 platform, this kit replaces outdated factory suspension with double adjustable coil-overs and performance-engineered upper and lower control arms. This integrated system provides up to 7 degrees of increased caster for significantly improved high-speed stability and steering feel, while allowing you to dial in your preferred ride height for the perfect stance.

• Double Adjustable Valving: Features independent adjustment for compression and rebound to fine-tune ride quality and handling performance.
• High-Travel Springs: Includes 750 lbs/in springs designed for performance street and heavy-duty applications.
• Improved Geometry: Tubular upper and lower control arms offer superior strength over stock stamped steel and optimize suspension travel.
• Drop Capability: Supports up to a 5-inch drop when used in conjunction with popular drop spindles.
• Bolt-In Installation: Engineered as a direct fit using included upper brackets and all necessary mounting hardware.
• Made in the USA: Manufactured with high-quality materials and backed by QA1's best-in-class warranty.

Fits 1988-1998 Chevrolet C1500 models including 454 SS, Silverado, Cheyenne, Scottsdale, and WT.

Correct outdated front-end geometry and improve handling response with the QA1 Street Series Front Upper Control Arm Kit (MPN: 52607). Designed for pro-touring, drag racing, and performance street applications, these arms replace restrictive factory components with high-strength powder-coated tubular steel. Each arm features an offset cross shaft, allowing for precise camber adjustments to optimize your alignment settings.

These control arms are engineered for use with QA1 Pro Coil Systems; however, they can be adapted for factory coil springs using a bolt-in spring adapter (sold separately). When installed, these arms are designed to add approximately 1.5–2 degrees of caster and 0.25–0.5 degrees of negative camber. When paired with QA1 lower control arms, those figures increase to 3–4 degrees of caster and 0.5–1 degree of negative camber for maximum cornering grip.

• High-strength tubular steel construction with a durable powder-coated finish
• Includes QA1 low-friction ball joints for smooth suspension travel
• Low-friction, low-deflection pivot bushings reduce binding
• Offset cross shaft for easy camber adjustment
• Optimized strength-to-weight ratio over OE stamped steel arms
• Direct bolt-in installation
• Manufacturer Part Number: 52607
• Made in the USA

Fits select 1963-1987 Chevrolet C10, C10 Pickup, R10, and R10 Suburban models.

Correct outdated front-end geometry and improve the handling of your classic truck with the QA1 Street Series front upper control arm kit. Engineered with an optimized strength-to-weight ratio, these arms are manufactured from 12-gauge HSLA (High-Strength Low-Alloy) steel for maximum durability and finished in a long-lasting black powder coat. Designed for versatility, these arms are compatible with factory springs or coil-over conversion systems.

These arms utilize QA1 patented Ultimate Ball Joints and low-friction, maintenance-free polymer bushings to ensure smooth suspension travel without the binding common in rubber bushings. When paired with QA1 lower control arms, this kit provides 7 degrees of caster to significantly improve directional stability and steering feel. This easy bolt-in kit replaces worn OE components with no specialized tools required.

• Manufactured from 12-gauge HSLA steel for superior strength
• Includes QA1 patented Ultimate Ball Joints
• Maintenance-free, low-friction polymer bushings
• Provides 7 degrees of caster gain when used with QA1 lower arms
• Includes all necessary installation hardware
• Manufacturer Part Number: 52602
• Made in the USA

Fits select 1978-1988 Buick Regal, Chevrolet El Camino, Malibu, Monte Carlo, GMC Caballero, and Pontiac Bonneville and Grand Prix models.

Correct the outdated front-end geometry of your GM G-Body with the QA1 Pro-Touring Front Upper Control Arm Kit. Engineered specifically for autocross and road course performance, these arms utilize a 1-inch longer ball joint stud to significantly improve camber gain, maintaining an optimal tire contact patch during hard cornering. The combination of high-strength steel tubing and billet aluminum cross shafts provides a superior strength-to-weight ratio over factory stamped-steel components while eliminating flex.

• Increases caster by 3-4 degrees and negative camber by 0.5-1 degree when used as a kit
• QA1 Ultra Low Friction Ball Joints provide bind-free movement and improved suspension response
• Adjustable and rebuildable ball joint design allows for custom tuning
• Billet aluminum cross shafts for reduced weight and increased durability
• Robotically welded construction with a high-quality black powder-coated finish
• Easy bolt-in installation to factory mounting points
• Manufacturer Part Number: 52565

Fits select 1979-2004 Ford Mustang and 1979-1986 Mercury Capri.

Upgrade your rear suspension geometry with QA1 Heavy-Duty Adjustable Trailing Arms (MPN 5255), specifically engineered to improve traction and eliminate the binding common in factory setups. These upper arms provide the adjustability needed to set your wheelbase and pinion angle for optimum performance without removing the arms from the vehicle.

To ensure smooth suspension travel and predictable handling, these arms replace soft, compliant OE bushings with high-durometer polyurethane bushings on the differential side. The chassis end utilizes a spherical ball or rod end assembly with UHMW polyethylene bushings, which allows the rear suspension to move more freely throughout its arc. This combination keeps your tires planted and significantly reduces wheel hop during hard acceleration.

• Adjustability: On-car adjustment of pinion angle and wheelbase via jam nuts
• Construction: Heavy-duty steel components with a durable gloss black powder-coated finish
• Chassis Mount: Spherical rod end with UHMW polyethylene bushings to eliminate bind
• Differential Mount: Fluted, greasable polyurethane bushings for improved response
• Installation: Direct bolt-in design requires no specialized tools for mounting
• Origin: Proudly made in the USA
• Manufacturer Part Number: 5255

Fits 1978-1996 GM B-Body models, including select Chevrolet Caprice and Impala SS, Buick Roadmaster and LeSabre, Oldsmobile Delta 88, and Pontiac Bonneville.

QA1 Heavy-Duty Adjustable Trailing Arms are designed to provide 1978-1996 GM B-Body owners with precise rear suspension tuning and improved power delivery. These arms allow for easy wheelbase and pinion angle adjustments without removing the hardware from the vehicle—simply loosen the jam nuts and rotate the assembly to your desired setting. By replacing soft OE rubber with high-performance components, these arms eliminate the suspension bind and flex that lead to wheel hop and unpredictable handling.

Built for maximum durability, these arms are constructed from 1.25-inch diameter, 0.120-inch wall steel tubing and finished in a gloss black powder coat for long-lasting corrosion resistance. The design features a hybrid bushing configuration: the differential end uses fluted, greasable polyurethane bushings, while the chassis end utilizes a spherical ball or rod end assembly with UHMW polyethylene bushings. This combination allows the rear suspension to pivot freely through its travel, keeping tires planted for superior traction and more predictable cornering.

• Manufacturer Part Number: 5254
• Adjustable design allows for on-car pinion angle and wheelbase tuning
• Constructed from high-strength 1.25" x 0.120" wall steel tubing
• Eliminates bushing bind for smoother suspension movement and improved traction
• Includes greasable polyurethane bushings and spherical rod ends
• Durable gloss black powder-coated finish
• Straightforward bolt-in installation
• Proudly Made in the USA

Fits select 1964-1972 GM A-Body and G-Body vehicles, including Chevrolet Chevelle, El Camino, and Monte Carlo, Pontiac GTO and LeMans, Oldsmobile Cutlass and 442, and Buick Special.

QA1 Pro-Touring Front Lower Control Arms (MPN 52537) are engineered to transform the handling characteristics of your classic GM chassis for autocross, road courses, and spirited street driving. These arms feature high-strength tubular steel construction paired with billet aluminum cross shafts to provide a superior strength-to-weight ratio while eliminating the flex found in factory stamped-steel components. Specifically configured for use with QA1 Pro Coil Systems, these arms utilize a double-shear lower shock mount for maximum durability.

• Optimized Geometry: Designed to provide 3-4 degrees of caster and 0.5 to 1 degree of negative camber when used as a complete kit, correcting outdated factory suspension geometry.
• Ultimate Ball Joints: Includes QA1 patented Ultra Low Friction Ball Joints which are both adjustable and rebuildable for long-term tuning and maintenance.
• Low Friction Bushings: Ensures bind-free suspension movement for more consistent handling and better tire contact patch.
• High-Quality Finish: Robotically welded and finished in a durable black powder coat for corrosion resistance and a clean aesthetic.
• Installation: Direct bolt-in design for straightforward installation.
• Origin: Proudly made in the USA.

Fits select 1970-1996 Buick, Chevrolet, GMC, Oldsmobile, and Pontiac A-Body, B-Body, F-Body, and X-Body vehicles. QA1 Pro-Touring Lower Control Arms are engineered to transform the handling of your classic GM platform for the demands of autocross and road course racing. These arms are designed to eliminate suspension flex and provide bind-free movement throughout the entire range of travel.

Constructed from high-strength steel tubing paired with billet aluminum cross shafts, these arms represent some of the lightest options on the market without compromising durability. This kit is specifically configured for QA1 Pro Coil Systems, utilizing double-shear lower mounting points for increased structural rigidity under high lateral loads. Each arm is robotically welded and finished in a high-quality black powder coat for a professional appearance and long-term corrosion resistance.

• Part Number: 52520
• Includes QA1 Ultra Low Friction Ball Joints to eliminate bind and improve predictability
• Adjustable and rebuildable ball joints for precision tuning and maintenance
• Geometry optimized to add 3-4 degrees of caster and 0.5 to 1 degree of negative camber when used as a full kit
• High-strength tubular construction with lightweight billet aluminum cross shafts
• Compatible with QA1 Pro Coil Systems via double-shear lower shock mounts

Fits select 1965-1981 Buick, Chevrolet, Ford, GMC, Oldsmobile, and Pontiac models including Mustang, Camaro, Firebird, and Chevelle.

Upgrade your steering system's rigidity and reliability with the QA1 Heavy Duty Tie Rod Sleeve Kit. These sleeves are engineered to replace weak original equipment (OE) split sleeves, providing a more secure and rigid connection for your steering linkage. Unlike standard split sleeves that can deform under high-performance driving or heavy-duty use, these sleeves are CNC-machined from solid steel hex stock to ensure precise alignment and maximum durability.

• Solid steel hex construction provides superior strength over factory split sleeves
• Zinc-plated finish offers high-level corrosion resistance and long-lasting protection
• Hex-shaped design allows for easier adjustment during wheel alignments
• Thread Size: 11/16-18
• Sleeve Length: 3.5 in.
• Overall Length: 4.28 in.
• Sold in pairs
• Manufacturer Part Number: 5252

Fits select 1970-1996 GM A-Body, B-Body, F-Body, and X-Body vehicles, including Chevrolet Camaro, Caprice, Impala SS, and Pontiac Firebird. This QA1 Pro-Touring Upper Control Arm kit is engineered to correct outdated front-end geometry, making it an essential upgrade for autocross, road course, and performance street applications.

These arms utilize a 1-inch longer upper ball joint stud to significantly improve camber gain, maintaining an optimal tire contact patch during hard cornering. The construction features high-strength steel tubing paired with billet aluminum cross shafts to provide a superior strength-to-weight ratio while reducing unsprung weight. Each arm is robotically welded and finished with a durable powder coating for long-term corrosion resistance. For those using QA1 Pro Coil systems, these arms are configured for double-shear lower mounting to ensure bind-free movement and maximum rigidity.

• Manufacturer Part Number: 52518
• Includes QA1 Ultra Low Friction Ball Joints (adjustable and rebuildable)
• Adds 3-4 degrees of caster and 0.5 to 1 degree of negative camber when used as a full kit
• One-inch extended ball joint studs for optimized camber curves
• Billet aluminum cross shafts and low-friction bushings eliminate suspension bind
• Designed for easy bolt-in installation to factory mounting points
• Proudly made in the USA

Fits select 1967-1974 Buick Apollo, Chevrolet Camaro/Nova, Oldsmobile Omega, and Pontiac Firebird/Ventura. This QA1 Heavy Duty Tie Rod Sleeve Kit (5251) is designed to replace factory split-style sleeves with a much stronger, solid alternative. Machined from solid steel hex stock, these sleeves eliminate the flex and movement common in OE designs, providing more consistent steering geometry and improved durability for performance driving or street use.

Every sleeve is finished in a durable zinc plating for long-lasting corrosion resistance. The hex-shaped body allows for easy adjustment with a standard wrench while the included jam nuts lock your alignment settings firmly in place.

• Stronger than OE split sleeves for improved steering response
• Manufactured from high-strength solid steel hex stock
• Corrosion-resistant zinc-plated finish
• Thread Size: 5/8-18
• Sleeve Length: 4.9 in
• Overall Length: 5.65 in
• Sold as a pair (set of 2)
• Includes jam nuts
• Manufacturer Part Number: 5251

Fits select 1964-1992 Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models including Camaro, Firebird, Regal, Chevelle, and A/G-Body platforms.

Strengthen your steering system and eliminate the flex associated with factory split sleeves. The QA1 Heavy Duty Tie Rod Sleeve Kit is an essential upgrade for classic GM muscle cars and performance builds. Machined from solid steel hex stock, these sleeves provide superior rigidity compared to original equipment, ensuring your toe settings remain consistent during aggressive cornering or high-load conditions.

Each sleeve is finished with a durable zinc plating for maximum corrosion resistance and long-lasting appearance. The hex-shaped body allows for easy adjustment with a standard wrench, making alignment tweaks straightforward. This kit is designed as a direct replacement for OE sleeves and includes all necessary jam nuts for a secure installation.

• Material: Solid Steel Hex Stock
• Finish: Zinc Plated
• Thread Size: 5/8-18
• Sleeve Length: 3.4 in
• Total Length: 4.15 in
• Quantity: Sold as a pair
• Manufacturer Part Number: 5250

Fits select 1964-1967 Buick, Chevrolet, Oldsmobile, and Pontiac A-Body vehicles including Chevelle, El Camino, GTO, LeMans, Cutlass, 442, and Skylark.

QA1 Upper Adjustable Trailing Arms are designed to provide the precision tuning required for high-performance street and track applications. These arms allow you to adjust the rear wheelbase and pinion angle without removing the components from the vehicle—simply loosen the jam nuts to make your adjustments. This capability is essential for correcting driveline angles and optimizing traction for a more predictable and better-handling car.

Built for maximum durability, these arms feature a zinc-plated and anodized finish for superior corrosion resistance. To eliminate suspension bind, the chassis end utilizes a spherical ball or rod end assembly with UHMW polyethylene bushings, allowing for smoother suspension travel compared to factory rubber. The set also includes fluted, greasable polyurethane bushings to replace soft OE differential bushings, further reducing flex and keeping your tires planted.

• Easy on-car pinion angle and wheelbase adjustment
• Zinc-plated and anodized finish for long-lasting protection
• Spherical ball/rod end assembly with UHMW polyethylene bushings eliminates bind
• High-durometer polyurethane bushings replace soft factory rubber
• Direct bolt-in installation to factory mounting points
• Made in the USA
• Sold as a pair
• Manufacturer Part Number: 5249

Fits select 1968-1972 GM A-Body vehicles, including the Chevrolet Chevelle, Pontiac GTO, Oldsmobile Cutlass, and Buick Skylark. These QA1 Upper Adjustable Trailing Arms (MPN 5248) are engineered to solve rear suspension binding while allowing for precise tuning of your vehicle's pinion angle and wheelbase.

Unlike fixed factory arms, these heavy-duty adjustable units feature a spherical ball or rod end assembly on the chassis end equipped with UHMW polyethylene bushings. This design eliminates the binding common with standard rubber bushings, allowing the rear suspension to move freely for more predictable handling and improved traction. The arms are zinc plated and anodized for superior corrosion resistance and a long-lasting finish.

• On-Vehicle Adjustment: Easily adjust the pinion angle and wheelbase by loosening the jam nuts without removing the arms from the chassis.
• High-Performance Bushings: Replaces soft OE differential bushings with high-durometer polyurethane and uses UHMW polyethylene on the chassis end for smooth articulation.
• Durable Finish: Zinc plated and anodized construction protects against the elements and road debris.
• Bolt-In Installation: Designed as a direct-fit replacement for easy installation into factory mounting points.
• Made in the USA: Proudly manufactured in the United States.

• Manufacturer Part Number: 5248
• Position: Rear Upper
• Adjustment Type: Adjustable
• Finish: Zinc Plated / Anodized
• Bushing Material: Polyurethane and UHMW Polyethylene
• Quantity: Sold as a Pair

Fits select 1973-1988 Buick Century/Regal, Chevrolet Chevelle/El Camino/Malibu/Monte Carlo, GMC Caballero/Sprint, Oldsmobile Cutlass, and Pontiac Bonneville/Grand Prix/LeMans models.

QA1 Heavy-Duty Adjustable Trailing Arms (MPN 5247) provide the precise adjustability required for optimum handling and traction on classic GM A-Body and G-Body platforms. These arms allow for effortless wheelbase and pinion angle adjustments while installed on the vehicle—simply loosen the jam nuts to tune your suspension geometry. By replacing soft OE differential bushings with high-durometer polyurethane and utilizing a spherical rod end assembly on the chassis end, these arms eliminate bushing bind and allow the rear suspension to move more freely through its travel.

• Precision Tuning: Adjust pinion angle and wheelbase without removing the arms from the vehicle.
• Premium Construction: Zinc-plated and anodized finish for superior corrosion resistance and longevity.
• Advanced Articulation: Spherical ball or rod end assemblies with UHMW polyethylene bushings on the chassis end eliminate binding.
• Improved Traction: Keeps tires planted firmly for more predictable handling and better control.
• Direct Fit: Easy bolt-in installation replaces factory stamped steel arms; includes polyurethane differential bushings.
• Made in the USA: Manufactured to strict tolerances for high-performance street and track use.

Each set is sold as a pair and includes all necessary hardware for a complete upgrade from factory rubber bushings to a high-performance spherical and polyurethane setup.

Fits select 1964-1977 GM A-Body vehicles, including Chevrolet Chevelle, El Camino, and Monte Carlo; Pontiac GTO, LeMans, and Grand Prix; Oldsmobile Cutlass and 442; and Buick Skylark and Regal.

QA1 adjustable lower trailing arms solve the common wheel fitment challenges associated with running larger wheels and tires on GM A-body platforms. By providing up to one inch of adjustability, these arms allow you to precisely center the rear axle within the wheel well. This flexibility eliminates tire rubbing and ensures proper geometry without requiring major vehicle modifications.

Constructed for durability and performance, these tubular arms feature a rugged powder-coated finish and arrive ready for a straightforward, bolt-in installation. Each kit includes the necessary hardware for a complete upgrade, whether you are working in a home garage or a professional shop. Please note that these trailing arms are not compatible with the factory rear sway bar; use of QA1 52856 (1964-1967) or QA1 52857 (1968-1977) sway bars is recommended.

• Manufacturer Part Number: 5236
• Adjustability: Up to 1 inch of adjustment for axle centering
• Construction: High-strength tubular steel
• Finish: Durable black powder coat
• Installation: 100% bolt-in design
• Origin: Made in Lakeville, Minnesota, USA

Fits select 1966-1974 Dodge and Plymouth B-Body and E-Body vehicles, including Charger, Challenger, Coronet, Barracuda, Road Runner, and Satellite.

The QA1 Front Coil-Over Suspension Conversion System modernizes your classic Mopar by replacing the factory torsion bar setup with a high-performance coil-over design. This system significantly improves drivability and cornering while providing a modern steering feel. The included tubular K-member reduces front-end weight and is designed with modular motor mounts to accommodate several engine options, including Gen 3 Hemis. This kit is a direct bolt-in solution that requires no cutting or welding of the factory chassis.

This handling-focused configuration features tubular control arms with polyurethane bushings to provide increased stability and reduced NVH. The rack-and-pinion steering conversion replaces the vague factory box for precision control. The system includes single-adjustable coil-overs, allowing you to fine-tune your ride quality for street use and set your preferred ride height between a 0" to 2" drop. These kits utilize Mustang II-style spindles, providing a wide array of modern brake upgrade options.

• Manufacturer Part Number: 52346-S400
• Drop Range: 0" to 2"
• Shock Type: Single Adjustable (recommended for street use)
• K-Member: Tubular steel for weight reduction and header clearance
• Steering: Rack-and-pinion conversion included
• Spindles: Uses Mustang II spindles for expanded brake compatibility
• Compatibility: Designed for B-body and E-body platforms only; not compatible with QA1 torsion bar components
• Installation: Bolt-in design; no welding or cutting required
• Origin: Made in the USA
• Warranty: Shocks eligible for Limited Lifetime Warranty