Proform Parts Differential Cover (MPN: 66668)

Reinforced aluminum cover for GM 10 bolt axles with drain plug

The Proform Parts Differential Cover is engineered for use with 8.2 inch and 8.5 inch GM 10 bolt axles. Constructed from high-quality aluminum, this cover is designed to enhance the strength of the rear housing case, particularly in high torque applications. The black painted finish not only provides a sleek appearance but also contributes to durability against wear and corrosion.

This differential cover features a precision milled surface that prominently displays the Perfect Launch logo, adding a touch of style to its robust design. Each cover includes two bolts for stabilizing bearing main caps, ensuring secure installation and optimal performance. Additionally, it is equipped with a magnetic drain plug that aids in the maintenance of the differential fluid, allowing for easy changes and monitoring of metal particles.

Installation is straightforward, making it accessible for both professional mechanics and DIY enthusiasts. The Proform Parts Differential Cover is a reliable choice for those looking to enhance the performance and longevity of their GM 10 bolt axle systems.

Features

• Made From High Quality Aluminum
• Features A Black Finish
• Features A Perfect Launch Logo
• Easy Installation

Specifications

• Manufacturer: Proform Parts
• Manufacturer Part Number: 66668
• Axle Model: GM 8.2 Inch/ 8.5 Inch
• Cover Bolts: 10
• Color: Black
• Material: Aluminum
• Type: Non-Ribbed
• Finish: Painted
• Carrier Main Cap Support/Girdle: Yes
• Includes Drain Plug: Yes
• Includes Filler Plug: Yes
• Includes Gaskets: No
• Includes Bolts/Studs: Yes

Compatibility / Fit

• 1973-1975 Buick Apollo
• 1973-1977 Buick Century
• 1976-1978 Buick Electra
• 1970-1972 Buick GS
• 1973-1974 Buick LeSabre
• 1973-1977 Buick Regal
• 1984-1987 Buick Regal
• 1991-1996 Buick Roadmaster
• 1970-1972 Buick Skylark
• 1975-1975 Buick Skylark
• 1977-1979 Buick Skylark
• 1971-1972 Chevrolet Biscayne
• 1980-1986 Chevrolet C10
• 1977-1986 Chevrolet C10 Suburban
• 1992-1996 Chevrolet C1500 Suburban
• 1977-1986 Chevrolet C20 Suburban
• 1992-1996 Chevrolet C2500 Suburban
• 1971-1981 Chevrolet Camaro
• 1970-1973 Chevrolet Chevelle
• 1973-1976 Chevrolet El Camino
• 1979-1995 Chevrolet G10
• 1977-1986 Chevrolet K10
• 1977-1986 Chevrolet K10 Suburban
• 1992-1996 Chevrolet K1500 Suburban
• 1977-1986 Chevrolet K20
• 1977-1986 Chevrolet K20 Suburban
• 1992-1996 Chevrolet K2500 Suburban
• 1977-1986 Chevrolet K5 Blazer
• 1970-1979 Chevrolet Nova
• 1987-1988 Chevrolet R10 Suburban
• 1989-1991 Chevrolet R1500 Suburban
• 1987-1988 Chevrolet R20 Suburban
• 1989-1991 Chevrolet R2500 Suburban
• 1988-1988 Chevrolet V10 Suburban
• 1989-1991 Chevrolet V1500 Suburban
• 1987-1988 Chevrolet V20 Suburban
• 1989-1991 Chevrolet V2500 Suburban
• 1977-1978 GMC C15 Suburban
• 1979-1986 GMC C1500 Suburban
• 1992-1996 GMC C1500 Suburban
• 1977-1978 GMC C25 Suburban
• 1979-1986 GMC C2500 Suburban
• 1992-1996 GMC C2500 Suburban
• 1977-1978 GMC K15 Suburban
• 1979-1986 GMC K1500 Suburban
• 1992-1996 GMC K1500 Suburban
• 1977-1978 GMC K25 Suburban
• 1979-1986 GMC K2500 Suburban
• 1992-1996 GMC K2500 Suburban
• 1987-1991 GMC R1500 Suburban
• 1987-1991 GMC R2500 Suburban
• 1987-1991 GMC V1500 Suburban
• 1987-1991 GMC V2500 Suburban
• 1971-1977 Oldsmobile Cutlass
• 1973-1975 Oldsmobile Omega
• 1977-1979 Oldsmobile Omega
• 1970-1981 Pontiac Firebird
• 1971-1977 Pontiac Grand Prix
• 1970-1973 Pontiac GTO
• 1971-1977 Pontiac LeMans
• 1977-1977 Pontiac Phoenix
• 1971-1977 Pontiac Ventura

Technical Documents

• Perfect-Launch-Diff-Cover-Instructions.pdf