QA1 Pro-Rear Twintube Coil-Over Rear Single Adjustable Shock Kit - 1551-1850 lb - Progressive 175-350 lb/in Spring Rate LY23071 This muffler features a 3

This muffler features a 3

ROUSH suspension parts are developed over many hours on the race track

In addition to the standard range of AN adapters in both aluminum and steel

(2) Proma Star Shocks or Aluma Matic Shocks

Installation is completed using stock holes and hardware to mount to the dash while the hardware supplied with your radio mounts the radio to the mount

QA1 Pro-Rear Twintube Coil-Over Rear Single Adjustable Shock Kit - 1551-1850 lb - Progressive 175-350 lb/in Spring Rate LY23071 This muffler features a 3Upgrade 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