QA1 9" Rear Axle Housing w/ 4-Link Mustang 67-70

This 9" rear axle housing integrates with your 1967-1970 Mustang's QA1 4-link suspension system while supporting higher horsepower and maintaining suspension geometry. The center section and trailing arm brackets help to control deflection under load while axle tubes add structural support. The included 31-spline 1541H alloy axles are rated for up to 650 horsepower, and the housing is capable of supporting up to 800 horsepower.

Features and Benefits:
- Fabricated steel center section increases rigidity
- Fully formed trailing arm brackets reduce flex
- 3" OD axle tubes with 1/4" wall thickness
- Includes 31-spline 1541H alloy axles
- Axles rated up to 650 horsepower
- Housing rated up to 800 horsepower
- Big Ford Torino-style axle flanges
- 5x4.5" wheel bolt pattern
- Integrated drain plug, fill plug, and vent port
- Semi-gloss powder coat finish resists corrosion

Designed for compatibility and serviceability, the housing features Big Ford Torino-style axle flanges, a standard 5x4.5" bolt pattern, and a factory-correct wheel mounting surface width to maintain proper tire clearance. Additional service features such as a drain plug, fill port, vent tube, and jack pad help simplify maintenance.

Kit Includes:
- 9" Rear Axle Housing
- (2) 31-Spline Alloy Axles
- T-Bolts
- Housing Studs
- Roller Bearings

Vehicle Fitment:
- 1967-1970 Mustang