1985 GMC Gaskets & Seals

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: Today

Head Gasket, Copper, 4.320 in. Bore, 0.050 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P133250

Not Yet Reviewed

Estimated Ship Date: Today

Cylinder Head Gasket , .034" MLS 18 OR 23 DEG HEADS , CHEVY SM BLOCK 4.060" BORE

Part Number: CGT-C5245-034

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, Copper, 4.570 in. Bore, 0.043 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P135743

Not Yet Reviewed

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Gaskets, Valve Cover, Steel Core PTFE Coated, Chevy, Big Block, Pair

Part Number: SCE-213078

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Head Gaskets, 4.160 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5402-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket, MLS, 4.060 in. Bore, .023 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-023

Not Yet Reviewed

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Head Gasket, MLS, 4.320 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5816-036

Not Yet Reviewed

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Head Gasket, Copper, 4.060 in. Bore, 0.043 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P110643

Not Yet Reviewed

Estimated Ship Date: Today

Rear Main Seal, 2-piece, Viton®, Chevy, Small Block, Each

Part Number: MRG-1971

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Exhaust Gaskets, Header, Ultra-Seal, Steel Core Laminate, Stock Port, Chevy, Small Block, Hooker Plate, Pair

Part Number: MRG-5908

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket, MLS, 4.310 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5432-036

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, MLS, 4.030 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5404-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket, Copper, 4.570 in. Bore, 0.050 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P135750

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, MLS, 4.630 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5434-030

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Estimated Ship Date: Today

Gaskets, Head Set, Chevy, 5.7L, Set

Part Number: FEL-HS7733PT3

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Head Gasket, Copper, 4.520 in. Bore, 0.050 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P135250

Not Yet Reviewed

Estimated Ship Date: Today

Head Gaskets, MLS Spartan, 4.165 in. Bore, Multi-layer Stainless Steel, 0.039 in. Compressed Thickness, Chevrolet, Chevy Small Block, Each

Part Number: SCE-M111739

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: BIG-99150AFLT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket BIG BLOCK CHEV MK4 4.630"X .051" MLS SPARTAN HD GASKET EA

Part Number: SCE-M136351

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Estimated Ship Date: Today

Head Gasket, MLS, 3-Layer, 4.060 in. Bore, 0.032 in. Compressed Thickness, for 18- or 23-Degree Cylinder Heads, Chevy, Gen I Small Block, Each

Part Number: CGT-C5245-032

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

• Drop Ship
• Special Order

Valve Cover Gaskets, Nitrile Rubber/Fiber, Chevy, GMC, Big Block, Pair

Part Number: TRD-9645

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Head Gasket, MLS Sparten, Multi-Layer Stainless Steel, 4.035 in. Bore, 0.039 in. Compressed Thickness, Chevrolet, Small Block, Each

Part Number: SCE-M110339

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket SMALL BLOCK CHEVROLET 4.200"X .051" MLS SPARTAN HD GASKET EA

Part Number: SCE-M112151

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket Set, Intake/Cylinder Heads/Valve Stem Seals, Chevy, Big Block, Set

Part Number: FEL-HS8180PT5

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today