1987 GMC Engine Gaskets & Seals

Head Gaskets, Pro Copper, 4.570 in. Bore, 0.043 in. Compressed Thickness, No Water Holes, Chevrolet, Big Block Mark IV, Each

Part Number: SCE-P135743NW

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Estimated Ship Date: Today

Head Gasket; Ultra Seal; Head Gasket; Flexible Graphite Core; Elastomer Coated; 4.130 in. Gasket Bore; 0.055 i

Part Number: MRG-5799G

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Estimated Ship Date: Apr 7, 2026 if ordered today

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Head Gasket, Copper, 4.060 in. Bore, 0.062 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P110662

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Valve Cover Gaskets, AccuSeal Pro, Rubber/Steel Core, May Not Fit Valve Covers with A Gasket Retaining Lip, Chevrolet, Small Block, Pair

Part Number: SCE-211077

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 1, 2026 if ordered today

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Chevrolet Mark-IV Big Block V8 .125" Fiber Valve Cover Gasket, Fits Brodix BP DN-9, 9 Degree Valve Angle Heads, Pair

Part Number: CGT-C15268-125

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Estimated Ship Date: May 18, 2026 if ordered today

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Head Gaskets, Pro Copper, 4.630 in. Bore, 0.043 in. Compressed Thickness, No Water Holes, Chevrolet, Big Block Mark IV, Each

Part Number: SCE-P136243NW

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Head Gasket, Copper, 4.380 in. Bore, 0.062 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P133862

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Head Gasket, MLS, 4.630 in. Bore, .032 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5331-032

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Estimated Ship Date: May 18, 2026 if ordered today

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Head Gasket BIG BLOCK CHEV MK4 4.375"X .028" MLS SPARTAN HD GASKET EA

Part Number: SCE-M133728

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Head Gasket, MLS Sparten, Multi-Layer Stainless Steel, 4.630 in. Bore, 0.045 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: SCE-M136345

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Head Gasket, Pro Copper, 4.570 in. Bore, .050 in. Compressed Thickness, Chevrolet, Each

Part Number: SCE-P135750NW

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Estimated Ship Date: Today

Head Gasket, MLS Sparten, Multi-Layer Stainless Steel, 4.103 in. Bore, 0.039 in. Compressed Thickness, Chevrolet, Small Block, Each

Part Number: SCE-M111039

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Estimated Ship Date: Apr 27, 2026 if ordered today

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HEAD GASKET, PRO COPPER,CHEVROLET BB MK4 4.155 X .043 PRO COPPER HD GSKT

Part Number: SCE-P131543

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Head Gaskets, MLS Spartan, 4.630 in. Bore, Multi-layer Stainless Steel, 0.039 in. Compressed Thickness, Chevrolet, Chevy Big Block, Each

Part Number: SCE-M136339

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Gaskets, Conversion Set, Chevy, 4.3L, Set

Part Number: FEL-CS93541

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Gasket, Bottom-End Set, Chevy, 7.4L/454, Kit

Part Number: CGT-PRO1005B

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Head Gasket Set

Part Number: FEL-HS8699PT6

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Gasket, Bottom-End Set, Chevy, 5.7L, Kit

Part Number: CGT-PRO1004B

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Estimated Ship Date: May 18, 2026 if ordered today

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Engine Timing Cover Seal

Part Number: CGT-C5377

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Estimated Ship Date: May 18, 2026 if ordered today

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Valve Cover Gaskets, AccuSeal Pro, Kevlar® Composite, Chevrolet, Small Block, Pair

Part Number: SCE-211374

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Estimated Ship Date: May 1, 2026 if ordered today

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Head Gasket, Copper, 4.250 in. Bore, 0.032 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P132532

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Estimated Ship Date: Today

Head Gasket, Copper, 4.060 in. Bore, 0.050 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P110650

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Estimated Ship Date: Today

Head Gasket, Copper, 4.060 in. Bore, 0.032 in. Thickness, Chevy, Small Block, Each

Part Number: SCE-P110632

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Head Gaskets, Pro Copper, 4.320 in. Bore, 0.032 in. Compressed Thickness, No Water Passages, Chevrolet, Big Block Mark IV, Each

Part Number: SCE-P133232NW

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Head Gaskets, Pro Copper, 4.010 in. Bore, Copper, 0.050 in. Compressed Thickness, O-ring of the Block or Heads Is Required, Chevy, Small Block, Each

Part Number: SCE-P110050

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Estimated Ship Date: Today