Mr. Gasket Differential Cover Gasket - Cork, Rubber - GM 8.2", 10-Bolt Petcock ΓÇó Installation of the BHS539

ΓÇó Installation of the BHS539 Crossmember Hoop requires cutting out the OEM upper transmission Tunnel hoop and hammer massaging the transmission tunnel to provide additional space for the BHS539 to install into the transmission tunnel ( see installation Instructions 199R12041) ΓÇó Requires the use of BHS532 Transmission Crossmember to maintain proper structural integrity of the vehicle

Fits Dual Exhaust

Designed primarily for today's heavy duty gas and diesel trucks

Standard volume performance upgrade for M-77

Mr. Gasket Differential Cover Gasket - Cork, Rubber - GM 8.2", 10-Bolt Petcock ΓÇó Installation of the BHS539Manufactured from a blend of nitrile rubber and fiber for excellent sealing and durability. Precision die cut for an excellent fit. Buick, Olds, Pontiac, Chevrolet 10 bolt 8. 20" Ring Gear 1965 81. Vehicle Applications: 1970 1970 Buick Estate Wagon 1965 1979 Chevrolet Corvette 1965 1968 Chevrolet Chevy II 1965 1970 Buick Electra 1965 1970 Buick Riviera 1969 1970 Chevrolet Kingswood 1969 1972 Chevrolet Nova 1965 1970 Buick LeSabre 1968 1969 Buick GS