GMC C25/C2500 SUBURBAN Engine Gaskets & Seals

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: Dec 22, 2025 if ordered today

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Head Gaskets, MLS Spartan, 4.540 in. Bore, Multi-layer Stainless Steel, 0.039 in. Compressed Thickness, Chevrolet, Chevy Big Block, Each

Part Number: SCE-M135439

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Estimated Ship Date: Dec 22, 2025 if ordered today

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INTAKE MANIFOLD GASKET

Part Number: CGT-C5649-188

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Head Gaskets, Titan Copper, 4.570 in. Bore, 0.032 in. Compressed Thickness, Chevrolet, Big Block Mark IV, Each

Part Number: SCE-T135732

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Estimated Ship Date: Today

Head Gasket, MLS Sparten, With Steam Holes, Multi-Layer Stainless Steel, 4.134 in. Bore, 0.051 in. Compressed Thickness, Chevrolet, Small Block, Each

Part Number: SCE-M111351

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Head Gasket, MLS, 4.320 in. Bore, .047 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5816-047

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Head Gasket, MLS, 4.375 in. Bore, .045 in. Compressed Thickness, Chevy, 427, 454, Each

Part Number: CGT-C5329-045

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Estimated Ship Date: Jan 5, 2026 if ordered today

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

Part Number: SCE-P133862NW

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Estimated Ship Date: Today

Head Gasket, Copper, 4.440 in. Bore, 0.062 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P134462

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Estimated Ship Date: Today

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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Estimated Ship Date: Today

.040" MLS HEAD GASKET

Part Number: CGT-C5036-040

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Head Gasket, MLS, 4.375 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5329-036

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Estimated Ship Date: Jan 5, 2026 if ordered today

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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: Jan 5, 2026 if ordered today

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.040" MLS 396, 402, 427, 454

Part Number: CGT-C15529-040

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Estimated Ship Date: Jan 5, 2026 if ordered today

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.051" MLS H/G 4.270" BORE

Part Number: CGT-C5215-051

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Estimated Ship Date: Jan 5, 2026 if ordered today

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040 MLS 4.50" BORE HEAD GASKET

Part Number: CGT-C5491

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Rear Main Seal, 2-Piece, Viton®, Chevrolet, Big Block, Each

Part Number: SCE-21305R

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Estimated Ship Date: Dec 19, 2025 if ordered today

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

Part Number: CGT-C5269-051

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Head Gasket, MLS, 4.630 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5434-027

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Head Gasket, MLS, 4.630 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5434-036

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Gaskets, Intake, AccuSeal E, Fiber Laminate, Uncut Port, .062 in. Thick, Chevy, Big Block, Set

Part Number: SCE-113100

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Estimated Ship Date: Today

Valve Cover Gaskets, Neoprene, Chevy, Small Block, Use with Proform 2-Piece Valve Covers, Pair

Part Number: PRO-66735

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Estimated Ship Date: Today

Head Gasket, MLS, 4.160 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5402-045

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Head Gasket, MLS, 4.160 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5407-045

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Head Gasket, Copper, 4.380 in. Bore, 0.050 in. Thickness, Chevy, Mark 4 Big Block, Each

Part Number: SCE-P133850

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Estimated Ship Date: Dec 22, 2025 if ordered today

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