Specifications:

• Fits: GM 8.5” & 8.6” Ring Gear Differentials (See compatibility list below)
• Bolt Pattern: 10 Bolt
• Material: High Grade Die Cast Aluminum
• Finish: Black (Powder Coated)
• Bolts Size: 5/16”-18 x 1”
•  Drain Plug: 1/2" NPT
• Extra Capacity
•  Large Vertical Fins (Great for heat dissipation)
• Machined Gasket Flange for a Perfect Seal
• Kit Includes Gasket and Mounting Hardware

*Important Notes

• No fill in hole in cover
• Will NOT work for 2007 and newer 8.6" differentials that require a fill in hole in the cover, these require M8x1.25 Metric bolts.
• The Stabilizer bar and sway bar may interfere and not clear on some of the models below… Especially 2005 Chevy Tahoe.
• This cover will usually not fit front truck differentials,
• Please compare to your existing cover before ordering.

Compatibility:  

• 1964-1995 Chevy / GM Intermediates (all A-B-C-G-K-0 Axles)
• 1964-1987 Chevy / GMC 1/2 Ton 2WD / 4WD Rear ( Will Not Fit 64-70 Trucks with Leaf Springs)
• 1988-2002 Chevy/GMC 1500 2WD and 4WD 1/2 ton trucks (rear)
• 1988-1992 2WD and 4WD Blazers and Jimmys (rear)
• 1988-1999 2WD and 4WD Suburbans 1/2 ton (rear)
• 1994-1999 2WD and 4WD Tahoes and Yukons (rear)
• 1999 Sierra 1500 1/2 Ton 2WD / 4WD with 8.5 R.G Rear
• 1988-1999 Silverado 1500 1/2 Ton 2WD / 4WD with 8.5 R.G Rear 
• 1982-1992 Camaro Z28 and Iroc with 8.5" ring gear
• 1993-2002 Camaro V8 (will not fit heavy duty)
• 1984-1987 Buick Grand Nationals
• 1993-2002 Firebirds with V8 engines
• 1983-1987 Monte Carlo SS
• 1983-1987 Olds 442 with 8.5" ring gear

BUICK APOLLO 1973-1975

BUICK ELECTRA 1971-1989

BUICK REGAL 1973-1987

BUICK RIVIERA 1975-1978

BUICK SKYLARK 1964-1979

BUICK WILDCAT 1964-1970

CADILLAC ESCALADE 1999-2013

CHEVROLET BEL AIR 1964-1975

CHEVROLET BISCAYNE 1964-1972

CHEVROLET BLAZER 1987-2005

CHEVROLET C10 PICKUP 1979-1986

CHEVROLET C1500 PICKUP 1988-1999

CHEVROLET C2500 PICKUP 1989-2000

CHEVROLET CAMARO 1967-1981

CHEVROLET CAPRICE 1966-1996

CHEVROLET CHEVELLE 1964-1973

CHEVROLET CHEVY II 1964-1968

CHEVROLET EL CAMINO 1964-1976

CHEVROLET EXPRESS 1500 1996-2014

CHEVROLET G10 1979-1995

CHEVROLET G20 1975-1995

CHEVROLET IMPALA 1964-1996

CHEVROLET K10 PICKUP 1979-1986

CHEVROLET K1500 PICKUP 1988-1999

CHEVROLET K5 BLAZER 1979-1986

CHEVROLET MALIBU 1964-1983

CHEVROLET MONTE CARLO 1970-1978

CHEVROLET NOVA 1969-1979

CHEVROLET S10 BLAZER 1994

CHEVROLET S10 PICKUP 1994-2004

CHEVROLET SILVERADO 1500 1999-2008 

CHEVROLET SUBURBAN 2012-2013

CHEVROLET TAHOE 1995-2015

GMC C1500 PICKUP 1979-1999

GMC C2500 PICKUP 1997-2000

GMC G1500 1979-1995

GMC G25 1978

GMC G2500 1979-1995

GMC JIMMY 1994-2005

GMC K1500 PICKUP 1979-1999

GMC SAVANA 1500 1996-2013

GMC SAVANA 2500 1996-1998

GMC SIERRA 2500 2011-2013

GMC SIERRA 3500 2011-2013

GMC SONOMA 1994-2004

GMC TYPHOON 1992-1993

GMC YUKON 1992-1999

GMC YUKON XL 1500 2000-2013

OLDSMOBILE CUTLASS 1970-1977

OLDSMOBILE OMEGA 1973-1979

PONTIAC BONNEVILLE 1970-1986

PONTIAC CATALINA 1970-1981

PONTIAC FIREBIRD 1969-1981

PONTIAC GRAND PRIX 1971-1987

PONTIAC GTO 1970-1973

PONTIAC LEMANS 1971-1981

PONTIAC PHOENIX 1978-1979

PONTIAC TEMPEST 1964-1970

PONTIAC VENTURA 1971-1977