QA1 Rear 4-Link Suspension System Camaro 70-81/ Double Adjustable w/ OE-Width 9" Rear Housing
Highlights
- Triangulated 4-Link
- OE-Width 9" Rear Housing
- Double Adjustable Shocks
- 31-Spline Alloy Axles
QA1 Rear 4-Link Double Adjustable Suspension System with an OE-Width 9" Rear Housing for 1970-1981 Camaros.
Transform the rear suspension of your second-generation F-Body with the QA1 rear 4-link double adjustable suspension system. Designed for 1970-1981 Camaro and Firebird models, this complete system replaces the factory leaf springs with a triangulated 4-link configuration for improved traction, ride quality, handling, and suspension adjustability. The included OE-width 9" rear housing maintains factory wheel mounting dimensions, making it ideal for vehicles retaining stock wheel tubs and standard wheel offsets.
Features and Benefits:
- Fits 1970-1981 Camaro and Firebird models
- Replaces the factory leaf spring suspension with a triangulated 4-link system
- Includes QA1 OE-width 9" rear housing
- Maintains approximately 61" factory wheel mounting width
- Ideal for stock wheel tubs and standard wheel offsets
- Double adjustable coilover shocks provide independent compression and rebound tuning
- 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 finish provides corrosion resistance
- Made in the USA
QA1 double adjustable coilover shocks provide independent compression and rebound tuning for precise control over ride and handling characteristics. Adjustable trailing arms allow you to dial in 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 street or track suspension upgrade.
Kit Includes:
- QA1 Triangulated 4-Link Suspension System
- QA1 OE Width Ford 9" Rear Housing
- Double 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 stock wheel tubs and standard 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:
- 1970,
- 1971,
- 1972,
- 1973,













