GMC K3500 Gaskets & Seals - Free Shipping on Orders Over $109 at Summit Racing

Cometic Header and Exhaust Manifold Gaskets C5148

.043" COPPER,265-400ci

Part Number: CGT-C5148

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic Head Gaskets C5151

.043" COPPER,396-454ci

Part Number: CGT-C5151

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5246-053

Cometic MLS Head Gaskets C5246-053

Head Gasket, MLS, 4.100 in. Bore, .053 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-053

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5269-066

Head Gasket, MLS, 4.060 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-066

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic Head Gaskets C5269-075

Head Gasket, MLS, 4.060 in. Bore, .075 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-075

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5270-060

Head Gasket, MLS, 4.100 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5270-060

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic Head Gaskets C5269-120

.120" MLS VALVE POCKETED BORES

Part Number: CGT-C5269-120

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5273-051

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

Part Number: CGT-C5273-051

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5273-060

Head Gasket, MLS, 4.200 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5273-060

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5271-040

Head Gasket, MLS, 4.125 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5271-040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5271-045

Head Gasket, MLS, 4.125 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5271-045

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5271-051

Head Gasket, MLS, 4.125 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5271-051

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5271-060

Head Gasket, MLS, 4.125 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5271-060

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5246-062

Head Gasket, MLS, 4.100 in. Bore, .062 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-062

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5245-084

Head Gasket, MLS, 4.060 in. Bore, .084 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-084

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5245-086

Head Gasket, MLS, 4.060 in. Bore, .086 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-086

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cometic MLS Head Gaskets C5245-092

Head Gasket, MLS, 4.060 in. Bore, .092 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-092

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Mahle Original Timing Cover Seals 67740

Timing Cover Seal, Rubber, Cadillac, Chevy, GMC, Isuzu, Workhorse, Each

Part Number: MAH-67740

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

SCE MLS Spartan Head Gaskets M135428

Head Gasket BIG BLOCK CHEV MK4 4.540"X .028" MLS SPARTAN HD GASKET EA

Part Number: SCE-M135428

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

SCE MLS Spartan Head Gaskets M136328

Head Gasket BIG BLOCK CHEV MK4 4.630"X .028" MLS SPARTAN HD GASKET EA

Part Number: SCE-M136328

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Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Walker Exhaust Flange Gaskets 31511

Exhaust Flange Gasket, Graphite with Wire Mesh Core, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: WLK-31511

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

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AP Exhaust Flange Gaskets 9051

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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MAHLE Original Exhaust Flange and Donut Gaskets F7269

Chev-Trk;GMC:292,305,350(1983);6.2L Diesel(82-89)(Donut)

Part Number: MAH-F7269

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Mahle Original Engine Gasket Sets FS1178VK

Bui;Chev-Pass&Trk;GMC-Trk;Olds;Pont:350(5.7L)(75-85)

Part Number: MAH-FS1178VK

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

SCE MLS Spartan Head Gaskets M135439

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

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

SCE AccuSeal Pro Rear Main Seals 21305-10

Rear Main Seal, 2-Piece, Viton®, Chevy, Big Block V8, Set of 10

Part Number: SCE-21305-10

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today