1966 GMC Gaskets & Seals

Valve Cover Gasket, Cork/Rubber with Composite Core, 0.250 in. Thick, Small Block Gen 1, Chevy, Pair

Part Number: EDL-7548

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gasket, MLS, 4.060 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-051

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Gasket, Water Pump, Paper, Checker/Chevy, Small Block, Each

Part Number: FEL-5152

4.81 out of 5 stars ( 36 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Rear Main Seal, 2-Piece, Rubber, Chevy, Small Block, Each

Part Number: FEL-BS118291

4.65 out of 5 stars ( 20 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gasket, MLS, 4.100 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-040

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gasket, MLS, 4.165 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-036

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gasket, MLS, 4.200 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Exhaust Gaskets, Manifold, Compressed Fiber Laminate, Chevy, Small Block, Set

Part Number: FEL-MS9275B

4.9 out of 5 stars ( 41 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gasket, MLS, 4.100 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gasket, MLS, 4.165 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gaskets, 4.200 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5403-040

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gasket, MLS, Multi-Layer Stainless Steel, 4.100 in. Bore, 0.023 in. Thickness, Chevy, Small Block, Each

Part Number: CGT-C5246-023

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Valve Cover Gasket, 0.188 in. Thick, Rubber, Chevy, Small Block, Each

Part Number: CGT-C5973

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gasket, Steel Shim, 4.100 in. Bore, .016 in. Compressed Thickness, Chevy, 283-350, Each

Part Number: FEL-7733SH1

4.96 out of 5 stars ( 27 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gasket, MLS, 4.060 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-080

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

• Free Shipping

Head Gaskets, MLS, 4.040 in./102.616mm Bore, Round Shape, 0.040 in. Thick, Multi-Layer Stainless Steel, 18/23 Degree Heads, Chevy, 4.3-6.6L, Each

Part Number: CGT-C5470

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gasket, MLS, 4.200 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-045

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gasket, MLS, 4.165 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-080

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

• Free Shipping

Gasket, Neoprene, Water Outlet, Chevy, Big/Small Block, Each

Part Number: FEL-35562T

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Windshield Wiper Motor Mounting Kit, 1963-79 GM Car and Truck, Best Quality, See Applications For Fitment, Includes Grommets, Hex Bolts, 6-Piece Kit

Part Number: SUM-RP23517

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Head Gasket, MLS, 4.200 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-080

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

• Free Shipping

Head Gasket, MLS, 4.060 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-036

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Engine Gasket Sets, Full, Chevy, Pontiac, L6, Kit

Part Number: FEL-260-1005

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Gasket, Fuel Pump Mounting Plate, Composite, Each

Part Number: FEL-5182

4.92 out of 5 stars ( 37 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Water Pump Gaskets, AM General, Avanti, Bizzarrini, Buick, Cadillac, Checker, Chevy, Excalibur, GMC, Gordon-Keeble, ISO, Isuzu, Oldsmobile, Pair

Part Number: FEL-ES73030

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air