Suspension and Components› Suspension Kits
QA1 Precision Products, Inc
QA1 64-66 Ford Mustang Rear Suspension Conversion System - 9in Housing Single Adj. 130lb/in
SKU: Q00B R123-130S
Moderate — 2–4 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | QA1 Precision Products, Inc |
| Part Number | Q00B R123-130S |
Videos
QA1’s Bolt-In 9 Inch Rearend Upgrade
QA1 4-Link Rear End Install on a Classic Muscle Car Part 1 | EP 26 RUSTORATIONS 1972 Nova
QA1 Coilovers: What They Got Wrong & How We Made It Right
QA1 DIY 4-Link Kits : What You Need To Know
QA1 Pro Coil Install 66 Mustang
Project Betty | QA1 Rear Double-Adjustable Billet Stocker Star Shock
QA1 4-Link Kit Overview: Second Gen GM F-Body Installation
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy