QA1’s Bolt-In 9 Inch Rearend Upgrade

QA1’s all-new 9-inch rearend upgrade is finally here — and it's a game-changer for anyone looking to add serious strength and performance without cutting up their car. In this video, we walk through the full setup using our QA1 9" housing and 4-link display to show how this bolt-in system works.

It’s designed specifically for 1970–81 GM F-bodies and 1968–74 Novas, but this is just the beginning. QA1 is continuing to develop new applications for even more platforms, so if your car isn’t listed yet — stay tuned.

No cutting. No fab work. Just bolt it in, tune your ride, and hit the road.

Check out our 4-Link video here
👉   • QA1's 2nd Gen F-Body 4-Link: What You...  

Check out more details on the 9-inch upgrade here:
👉 https://qa1.net/resources/qa1-ford-9i...

Check out our 9" 4-Link kits here
👉https://qa1.net/products/suspension-k...

Check out our 9" Housings here
👉https://qa1.net/products/suspension-c...



About QA1: Founded in 1993, QA1 specializes in providing performance shock absorbers, suspension components, carbon fiber driveshafts, rod ends, spherical bearings, springs, ball joints and more for a variety of markets, including circle track racing; drag racing; street performance; and street rodding, as well as several industrial markets. Whether you’re looking for improved ride quality, show-stopping appearance, or faster times, QA1 delivers.

Questions? Call us @ 800.721.7761