Firebird Central | 1970 - 1981 Firebird Rear End Axle 3-Series Positraction Traction Carrier Unit for 8.5 10 Bolt, Get It Today!

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1970 - 1981 Firebird Rear Axle Positive Traction Unit 3-Series for 10-Bolt 3.08 - 3.90

Image of 1970 - 1981 Firebird Rear End Axle 3-Series Positraction Traction Carrier Unit for 8.5 10 Bolt

Our Price: $549.95

PART NUMBER: SUS-639

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Description

Technical Specs

1970 - 1981 Firebird Rear End Axle 3-Series Positraction Traction Carrier Unit for 8.5 10 Bolt

Correct 3 series posi traction unit for 70 - 81 Firebird or Trans Am models with 30 spline axles and 8.5 rear end. Perfect for 3.08 - 3.90 gear ratio. Heavy duty, premium quality! The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence and performance you need. Get longer life and better traction with this heavy duty Yukon Dura Grip Positraction. Prefect fit for all 70-81 models with an 8.5 rear differential and 30 spline axles.

4-spring, clutch style positraction
Fits GM 8.5″ and 8.6″ with 30 spline axles
2.73 ratio and up only
Assembled in the USA
Fully rebuildable
Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth

~~NOTE: Please double check your Rear End before purchasing. Rear Ends are commonly changed out over the years and the one in your Firebird might not be the one that came from the factory.

PART NUMBER: SUS-639