Product details:
Quantity: Sold as a Kit. Upgrade 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 definied to provide th eideal force 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 and street rod applications.