QA1 Rear 4-Link Modular Suspension System Camaro 70-81 w/ MOD Series Shocks/ Narrowed 9" Rear Housing
Highlights
- Triangulated 4-Link
- Narrowed 9" Rear Housing
- 4-Way Adjustable Shocks
- 31-Spline Alloy Axles
QA1 Rear 4-Link Modular Suspension System with MOD Series Shocks and a Narrowed 9" Rear Housing for 1970-1981 Camaros.
Transform the rear suspension of your second-generation F-Body with the QA1 rear 4-link modular suspension system. Designed for 1970-1981 Camaro and Firebird models, this system replaces the factory leaf springs with a triangulated 4-link configuration for improved traction, handling, and ride quality. The included narrowed 9" rear housing accommodates mini-tubbed applications and provides additional clearance for wider wheel and tire combinations.
Features and Benefits:
- Fits 1970-1981 Camaro and Firebird models
- Replaces the factory leaf spring suspension with a triangulated 4-link system
- Includes QA1 narrowed 9" rear housing
- Narrowed configuration accommodates mini-tub and wider tire applications
- QA1 MOD Series coil-over shocks feature 4-way adjustable valving
- Remote nitrogen canisters provide additional tuning capability
- Adjustable trailing arms allow ride height, pinion angle, and wheelbase adjustment
- Includes 12" coil springs with a 170 lb./in spring rate
- Heavy duty 3" OD axle tubes feature 1/4" wall thickness
- 31-spline alloy axles rated for applications up to 650 HP
- Rear housing rated for applications up to 800 HP
- Fabricated center section provides additional strength
- Designed for high performance street and track applications
- Mounting hardware included
- Powder coated housing provides corrosion resistance
- Made in the USA
QA1 MOD Series coilover shocks feature 4-way adjustable valving and remote nitrogen canisters for extensive ride and handling customization. Adjustable trailing arms provide control over ride height, pinion angle, and wheelbase, while the rear housing combines heavy duty 3" OD axle tubes with 1/4" walls, a fabricated center section, and 31-spline alloy axles. The system also includes 12" 170 lb./in coil springs and mounting hardware for a comprehensive rear suspension upgrade.
Kit Includes:
- QA1 Triangulated 4-Link Suspension System
- QA1 Narrowed Ford 9" Rear Housing
- MOD Series Adjustable Coilover Shocks
- 12” 170 lb./in Coil Springs
- Mounting Hardware
Vehicle Fitment:
- 1970-1981 Camaro
- 1970-1981 Firebird
Additional Notes:
- Third member (center section) is not included.
- Designed for use with mini tubs and custom wheel offsets.
- Welding is required for installation.
- Exhaust modifications may be necessary.
- QA1 subframe connectors are recommended.
- Verify fitment before ordering.
California Residents: Proposition 65 Warning
Related Categories: Restomod, Suspension Kits
Vehicle Fitment
This product will fit the following Camaro years:
- 1967,
- 1968,
- 1969,
- 1970,
- 1971,
- 1972,
- 1973,








