QA1 DS501-1101 Pro-Rear Coilover Conversion Kit Single Adjustable 3.25" Proma Star

The QA1 DS501-1101 is a bolt-in rear coilover conversion kit designed to replace your factory suspension with a fully adjustable performance coilover setup. This kit is part of QA1's Pro-Rear series and includes everything needed for a complete rear suspension upgrade without cutting or fabricating.

What's Included:

• (2) Single-adjustable QA1 Proma Star shock absorbers
• (2) 3.25" diameter coilover springs
• Mounting brackets designed for bolt-in fitment
• All necessary hardware for installation

Key Features:

• Single-adjustable damping — easily tune compression and rebound with a single adjustment knob for a customized ride and handling balance
• Proma Star shock body — QA1's proven aluminum shock construction offering lightweight durability and consistent performance
• 3.25" spring diameter — accepts standard QA1 coilover springs for easy future spring rate changes
• Bolt-in design — uses factory mounting locations for straightforward installation with no permanent modifications required
• Complete kit — includes shocks, springs, brackets, and hardware so no additional components are needed

QA1's rear coilover conversion kits are purpose-built for enthusiasts looking to improve handling, adjust ride height, and fine-tune suspension performance. The Proma Star platform is a trusted choice in drag racing, street performance, and road course applications.