QA1 R210-170 Rear Suspension Conversion System with Double Adjustable Coilovers

The QA1 R210-170 is a comprehensive bolt-on rear suspension conversion system designed specifically for 1963-1972 Chevrolet C10 trucks originally equipped with coil-spring rear suspension. This complete kit transforms the factory coil-spring setup into a high-performance adjustable coilover system, offering up to 6 inches of total drop while dramatically improving handling characteristics and providing precise stance control.

Double Adjustable Coilover Shocks:

This system features premium double adjustable coilovers with independent compression and rebound damping control. The 18-position adjustment knobs are conveniently located at the shock base for easy tuning access. The R210-170 includes 170 lb/in spring rate coilovers, classified as "soft" for comfortable street driving while still delivering improved performance. The coilovers are strategically relocated to the outside of the frame rail, closer to the wheel centerline, providing enhanced cornering stability and creating clearance for popular aftermarket rear-mounted fuel tanks.

Tubular Steel Truck Arms:

Factory truck arms are replaced with heavy-duty 7-gauge DOM (Drawn Over Mandrel) tubular steel truck arms featuring integrated pinion angle adjustment. This eliminates the need for traditional angled shims and allows precise wheelbase adjustment to exact specifications. The truck arms incorporate QA1's X Series self-lubricating rod ends and spherical bearings for smooth operation and extended service life. Adjustable mounting locations optimize anti-squat characteristics for improved traction.

Adjustable Panhard Bar:

The included full-length adjustable panhard bar features multiple mounting positions to correct roll center geometry based on your desired amount of drop. This keeps the rear axle properly centered during cornering, resulting in more predictable handling and improved vehicle control through turns.

Complete Kit Includes:

• Double adjustable coilover shock assemblies with 170 lb/in springs
• Tubular steel truck arms with integrated pinion angle adjustment
• Frame mounting brackets and axle brackets
• Bolt-in C-notch bracket for frame clearance
• Adjustable panhard bar with multiple mounting locations
• Crossmember assembly and brace bar
• Complete hardware and linkage assemblies

Key Features:

• True bolt-on installation - no welding, cutting, or fabrication required
• Can be installed without removing the truck bed
• Adjustable ride height from 2 to 6 inches of drop
• Independent corner height adjustment for perfect stance
• Made in the USA with premium quality materials
• Black powder-coated finish for durability and appearance
• Coilover shocks covered by QA1's Limited Lifetime Warranty when registered

The QA1 R210-170 rear suspension conversion system integrates adjustability into multiple critical areas, allowing you to fine-tune suspension geometry for optimal performance whether you're cruising the street or hitting the track. This system provides complete control over ride height, wheelbase, pinion angle, and roll center geometry.