QA1 Pro Rear Coil-Over Shock System w/ Single-Adjustable Shocks Sprint Car Radius Rods 2001-2013 GMC Sierra 2500 HD

2001-2013 GMC Sierra 2500 HD

11-1/2" Straight

The new kit includes all of the gaskets and hardware that you have come to expect in our renew kits including a pair of

the engine is still able to use the scavenge ability of a good header to creat horsepower and torque

QA1 Pro Rear Coil-Over Shock System w/ Single-Adjustable Shocks Sprint Car Radius Rods 2001-2013 GMC Sierra 2500 HDUpgrade your rear end with QA1's Pro Rear System. Available in double adjustable, single adjustable and ride sensitive valving non adjustable options,each adjustment has been carefully defined to provide the ideal horse curve to maximize performance. With evenly spaced valving changes throughout the adjustment range, there are no jumps when adjusting between any two clicks. These Pro Rear Systems are commonly used in drag racing, street performance