QA1 Pro-Rear Coil-Over Shock Kit - Double Adjustable - Aluminum Coil-Over Shock - Rear - 130 lb/in Spring Rate - Universal H76903F MAF / PCM / Throttle

MAF / PCM / Throttle Pedal / Wiring Harness

15% Underdrive Pulley

GM LS 2001-13

but also have the added advantage of lighter weight

QA1 Pro-Rear Coil-Over Shock Kit - Double Adjustable - Aluminum Coil-Over Shock - Rear - 130 lb/in Spring Rate - Universal H76903F MAF / PCM / ThrottleUpgrade 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