1966 GMC Gaskets & Seals

Head Gasket, MLS, 4.165 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-066

5.0 out of 5 stars ( 1 )

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

Head Gasket, MLS, 4.200 in. Bore, .098 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-098

Not Yet Reviewed

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

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Head Gasket, MLS, 4.200 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-036

5.0 out of 5 stars ( 1 )

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

Head Gasket, MLS, 4.060 in. Bore, .070 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-070

Not Yet Reviewed

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

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

Part Number: FEL-BS40013

5.0 out of 5 stars ( 8 )

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

Head Gasket, Graphite, 4.100 in. Bore, 0.040 in. Thickness, Chevrolet, Each

Part Number: MAH-5746

3.67 out of 5 stars ( 12 )

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

Engine Gasket Set, Full Gasket Set, Head Gaskets, Intake Gaskets, Exhaust Manifold Gaskets, Buick, Chevy, GMC, ISO, Pontiac, Chevy Small Block, Set

Part Number: MAH-95-3033

5.0 out of 5 stars ( 1 )

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

Transmission Pan Gasket, Cork/Neoprene, GM TH400, Each

Part Number: MRG-8691

5.0 out of 5 stars ( 3 )

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

Gaskets, Manifold, Intake, AccuSeal E, Vortec CPI, 2.10 in. Height, .120 in. Thick, Chevy, Small Block, Set

Part Number: SCE-111120

3.75 out of 5 stars ( 8 )

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

Valve Cover Gaskets, Rubber with Steel Core, Buick, Chevy, GMC, Oldsmobile, Pontiac, Small Block, Pair

Part Number: TRD-9168

4.72 out of 5 stars ( 18 )

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

Donut Gasket, 2 1/32 in. ID., Chevy, Ford, GMC, Lincoln, Mercury, Pontiac, Each

Part Number: MAH-F17250

4.33 out of 5 stars ( 3 )

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

Exhaust Gaskets, Header, Copper, Round Port, Chevy, Small Block, Pair

Part Number: SCE-4011

5.0 out of 5 stars ( 3 )

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

Head Gasket, MLX, 4.165 in. Bore, .052 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5031-052

Not Yet Reviewed

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

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Gaskets, Manifold, Intake, Chevy, Small Block, Set

Part Number: FEL-MS9617

5.0 out of 5 stars ( 3 )

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

Water Pump Gaskets, AccuSeal Pro, Steel Core Composite, Chevy, Small Block V8, Pair

Part Number: SCE-21101

5.0 out of 5 stars ( 1 )

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

Head Gasket, MLS, Multi-layer Steel, 4.125 in. Bore, 0.023 in. Compressed Thickness, Round Bore Style, Buick, Chevy, GMC, Chevy Small Block, Each

Part Number: CGT-C5247-023

5.0 out of 5 stars ( 1 )

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

Exhaust Gaskets, Header, Fiber, Stock Port, Chevy, Small Block, Kit

Part Number: BIG-99161FLT

4.65 out of 5 stars ( 26 )

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

Differential Carrier Gasket, Fits Dana 44, 10-Bolts, Each

Part Number: FEL-RDS6629

4.87 out of 5 stars ( 15 )

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

Gaskets, Manifold, Intake, AccuSeal E, Vortec CPI, 2.10 in. Height, .0625 in. Thick, Chevy, Small Block, Set

Part Number: SCE-111119

2.33 out of 5 stars ( 6 )

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

Drain Plug Gasket, Nylon, Each

Part Number: FEL-70822

3.6 out of 5 stars ( 10 )

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

Head Gasket, Titan, Copper, 4.060 in. Bore, .043 in. Compressed Thickness, Chevrolet, Small Block, Each

Part Number: SCE-S110643

Not Yet Reviewed

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

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Head Gasket, MLS, 4.060 in. Bore, .120 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-120

Not Yet Reviewed

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

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Head Gaskets, MLS, 4.185 in./106.30mm Bore, Round Shape, 0.040 in. Thick, Multi-Layer Stainless Steel, 18/23 Degree Heads, Chevy, 4.3-6.6L, Each

Part Number: CGT-C15528-040

Not Yet Reviewed

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

Exhaust Gaskets, Header, Copper, Square Port, Chevy, Small Block, Pair

Part Number: SCE-4211

3.75 out of 5 stars ( 4 )

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

Head Gasket, MLS, 4.060 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-040

5.0 out of 5 stars ( 1 )

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