QA1 Pro Rear Weld-In Coil-Over System - MOD Series - 12in x 130lbs/in - 3.25in Tube - Aluminum

Upgrade your rear end with QA1's Pro-Rear System. Available in MOD series, double adjustable, single adjustable, and ride sensitive valving options. Each adjustment provides an ideal curve for performance, with evenly spaced valving changes. Commonly used in drag racing, street performance, and street rod applications. Available in Simultaneous Compression and Rebound Single Adjustable (DS), Independent Compression & Rebound Double Adjustable (DD), or Ride Sensitive Non-Adjustable (ALN). Features: Coil-Over, Lightweight Aluminum, Ride Height Adjustable, Spring Mounting Hardware Included, 100% Dyno Tested and Serialized, Revalveable and Rebuildable by QA1 Factory or Authorized Service Centers, Precision Machined Aluminum Piston with PTFE Piston Band, 5/8" Centerless Ground, Hard Chrome Plated, Solid Piston Rod, Three Step Sealing System. Fits 3" or 3.25" Diameter Axle Tubes. Made in the USA. Kit includes: (2) Proma Star Shocks or Aluma Matic Shocks, (2) Linear or Variable Rate Springs, All Mounting Hardware.