Brand new chrome steel Chevy & GM 10 Bolt Differential Cover. This cover includes the gasket and hardware kit. This cover fits with 8.5 inch ring gear. It will work on 1984-87 Buick Grand National, 1964-72 Chevy & GM W/8.5 Inch ring gear, 1982-92 Camaro Z28 & Iroc, 1993-02 Camaro V8 (Will not fit Heavy Duty), 1982-92 Firebird Trans AM, 1993-02 Firebird V8 (Will not fit Heavy Duty), 1983-87 Monte Carlo SS, 1983-87 Oldsmobile 442, 1988-02 Chevy & GMC 1/2 Ton 2WD & 4WD Rear, 1988-92 Full size Blazer 2WD & 4WD, 1988-92 Full size Jimmy 2WD & 4WD, 1999 Sierra 1500 1/2 Ton 2WD & 4WD, 1999 Silverado 1500 1/2 Ton 2WD & 4WD, 1988-99 Suburban 2500 1/2 Ton 2WD & 4WD, 1994-99 Tahoe & Yukon 2WD & 4WD