QA1 Pro Rear Weld-In Coil-Over System - Double Adj. - 12in x 150lbs/in - 3in Tube - Aluminum
$1,039.99
Pro-Rear System that includes two double adjustable custom mount coil-over shock kit and two springs with a rate of 150 and all mounting hardware.
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 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 and street rod applications. Available in Simultaneous Compresion and Rebound Single Adjustable (DS), Independent Compression & Rebound Double Adjustable (DD) or Ride Sensitive Non-Adjustable (ALN), Coil-Over, Lightweight Aluminum, Ride Height Adjustable, Spring Mounting Hardware Included, 100% Dyno Tested and Serialized, Revalveable and Rebuildable by the QA1 Factory or QA1 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, Available to Fit 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.
- Available with MOD Series, double, single or non-adjustable valving options
- Excellent DIY solution for drag, street performance & street rodders alike
- All mounting hardware included
- Made in the USA
Upgrade your vehicle's rear suspension with the QA1 Pro Rear Weld-In Coil-Over System, designed for precision performance and durability. This system includes two lightweight aluminum coil-over shocks with double adjustable valving, allowing you to fine-tune compression and rebound to suit drag racing, street performance, or street rod needs. Each shock features a 5/8 inch solid chrome-plated piston rod and a precision-machined aluminum piston with PTFE piston band, ensuring smooth operation and longevity. The kit also comes with two springs rated at 150 lbs/in, all necessary mounting hardware, and is available with options for simultaneous compression and rebound adjustment, independent adjustment, or non-adjustable ride-sensitive valving.
The coil-over shocks are designed to be ride height adjustable and compatible with 3 to 3.25-inch diameter axle tubes, providing versatility for various vehicle builds. All components are 100% dyno tested, serialized, and rebuildable at QA1 authorized service centers, ensuring reliable performance over time. Crafted in the USA, this system offers an excellent DIY solution for enthusiasts looking to enhance handling, stability, and performance. The kit's features include a three-step sealing system for improved durability and a lightweight aluminum construction to reduce unsprung weight, contributing to better vehicle dynamics.
Whether you're upgrading for competition or street use, the QA1 Pro Rear Weld-In Coil-Over System delivers precise adjustability and high-quality construction. The kit's mounting hardware ensures an easy installation process, and the adjustable valving options allow for smooth, consistent handling adjustments across the entire range. This system is ideal for those seeking a customizable suspension upgrade that balances performance with ease of use, backed by the quality and reliability associated with QA1’s reputation in performance automotive components.
Features:
- Double adjustable valving for precise compression and rebound tuning
- Lightweight aluminum construction for reduced unsprung weight
- Ride height adjustable for versatile vehicle setup
- Includes all mounting hardware for easy installation
- Rebuildable and revalveable at QA1 authorized service centers
- Available in multiple valving options: simultaneous compression/rebound, independent adjustment, or non-adjustable
- Compatible with 3 to 3.25-inch diameter axle tubes
- Made in the USA with high-quality materials
- Includes two coil-over shocks and springs rated at 150 lbs/in