Pontiac Firebird Differential Cover Gasket Replacement

Material: AFM Compressed Thickness: .032 # of bolts: 10

Material: AFM Compressed Thickness: .032 # of bolts: 9

Material: AFM Compressed Thickness: .060 # of bolts: 10

# of bolts: 12 Compressed Thickness: .060 Material: AFM

Material: Fiber Compressed Thickness: .060 # of bolts: 12

Material: Fiber Compressed Thickness: .060 # of bolts: 10

Ring Gear 7.625

GM 7.5 in. and 7.6 in.

8.875 in. 12 Bolt GM 12 Bolt Passenger Car

Rear GM 8.5 in.

8.2 in. 10 Bolt GM 8.2 in.; Buick; Oldsmobile and Pontiac

For GM 8.5"/8.625" (10 Bolt)

Ring Gear 7.625

For GM 7.5"/7.625" (10 Bolt)

For GM 8.875" (12 Bolt)