QA1 ALN12110K-1 Pro-Rear Non-Adjustable Coilover Conversion Kit 110 lb/in Spring for 3.25in Axle Tube

The QA1 ALN12110K-1 is a Pro-Rear Coilover Conversion Kit built around QA1's Aluma Matic non-adjustable shock absorber, designed for 3.25-inch diameter axle tubes. This complete bolt-in kit gives street rod and performance enthusiasts a straightforward path to coilover suspension without the complexity of adjustable valving.

At the heart of this kit is the Aluma Matic shock — a factory-valved, ride-sensitive coilover unit engineered to deliver an ideal balance of ride quality and performance. The lightweight aluminum body is threaded for coilover spring mounting, and the shocks feature a three-step sealing system for long-term reliability and smooth operation.

Kit Includes:

• 2 x Aluma Matic non-adjustable coilover shocks
• 2 x 12-inch coilover springs rated at 110 lb/in
• All mounting hardware

Shock Features:

• Lightweight threaded aluminum shock body
• Ride-sensitive, factory-set valving — no adjustments required
• Precision machined aluminum piston with PTFE piston band
• 15mm centerless ground, hard chrome plated solid piston rod
• Three-step sealing system for superior leak resistance
• 100% dyno tested and individually serialized
• Revalveable and rebuildable by QA1 factory or authorized service centers
• Designed for 3.25-inch diameter axle tubes
• Made in the USA

QA1's Pro-Rear Systems are popular in drag racing, street performance, and street rod builds. The ALN12110K-1 is ideal for builders who want proven coilover performance with a simple, no-fuss setup using quality American-made components.