QA1 Pro-Rear Coil-Over Shock Kit - Double Adjustable - Aluminum Coil-Over Shock - Rear - 130 lb/in Spring Rate - Universal Brake Bias Adjuster Designed for boosted and N/A

Designed for boosted and N/A LS7 engines

These Grade 8 bolts have a 12 point smaller-than-standard head & flange

Torque Converter Bolt Kit

For use with 3" O

Interstitial carbide concentration improves wear resistanceA distributor's performance is only as good as its drive gear

QA1 Pro-Rear Coil-Over Shock Kit - Double Adjustable - Aluminum Coil-Over Shock - Rear - 130 lb/in Spring Rate - Universal Brake Bias Adjuster Designed for boosted and N/AUpgrade 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