52622-S750

QA1 Front Coilover Crossmember System - 63-72 C10 / 63-91 2wd SUV

QA1 Coil-Over And Crossmember Kit for 1963-1972 Chevy C10

Upgrade your classic truck to a modern driving feel and performance. This kit has everything you need to convert your front end to coil-overs and a tubular crossmember with rack-and-pinion steering. It’s a great way to overhaul your suspension in one go, giving you adjustable ride height for the perfect stance with up to 8” of drop. All while dialing in the ride quality and performance level for your application, and saving 140 lbs. of weight vs stock.

Rack and Pinion Steering

Update your truck to a powered rack-and-pinion for quicker steering and a tighter feel. Plus, increase steering angle when fitting larger wheels and tires, and improve your geometry for enhanced drivability. 

Increased Ground Clearance

The crossmember and control arms make your undercab rails the truck’s lowest point for 2” of additional ground clearance. New upper shock mounts increase travel for a great ride and performance, even at low ride heights.

Adjustable Shock Valving

Single-adjustable shocks make it easy to tune your ride quality in seconds with the twist of a knob. 

Easy, Bolt-In Installation

The crossmember comes powder coated and ready to install. You do not need to cut or weld your frame. It easily locates the steering rack, and you can choose engine mounts (sold separately) for a number of common engines. 

Fitment Notes

Uses a 750 Pound Spring

If you already have QA1’s coil-over system, you can find retrofit kits to use your existing components 
Total drop range depends on wheel/tire fitment
Will require you to trim inner fenders
Engine mounts are year-range specific to maintain OE bellhousing location
Optimized bump steer settings require at least 18” wheels
18” wheels can run up to 6” of backspacing
20” wheels can run up to 7” of backspacing
Requires use of 1973-1987 C10 spindles
May require different headers and oil pan (Stock SBC & BBC pans fit)
Steering shaft is not included
May require new power steering hoses depending on fittings, pump and engine placement


Customer Reviews

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Charles Scott

We are super pleased with Pro Performance! Customer service is great, and the QA1 suspension stuff is AWESOME