Positraction Rear Diff Kit for GM 8.5" 28 Spline (YKGM8.5-HD)

Includes: - Positraction Rear Diff Kit for GM 8.5" 28 Spline

Fits Models: - Chevrolet: Camaro, Nova, Impala, Chevelle - Pontiac: Firebird, GTO - Buick: Skylark - Oldsmobile: Cutlass - GMC: Jimmy, S15

Model Years: - 1967–1981

Submodels: - Common trims include SS, Z28, GT, and various performance packages - Chassis codes: F-body, A-body, G-body

Engine Options: - Common engine sizes include 5.0L V8, 5.7L V8, 6.6L V8, and 7.4L V8 - Engine codes: L48, L65, L78, and others

Description: The Positraction Rear Diff Kit is designed for GM 8.5" rear differentials with 28 spline axles, enhancing traction and performance. Ideal for muscle car enthusiasts looking to improve handling and acceleration.

Features: - Improves traction for better acceleration - Durable construction for high-performance applications - Easy installation with compatible GM models - Designed for 28 spline axles

Part Numbers: - YKGM8.5-HD