Availability
Sealing up a brand new engine? Need to replace a cracked or blown head gasket? Or are you simply worried about blown head gasket cost? You’ve come to the right...
Sealing up a brand new engine? Need to replace a cracked or blown head gasket? Or are you simply worried about blown head gasket cost? You’ve come to the right place, because Summit Racing has top-brand cylinder head gaskets to fit your budget and power demands. We carry the biggest and best brands—Fel-Pro, Edelbrock, Trick Flow, Summit Racing, Mopar Performance, Cometic, and many more. We have head gaskets in a variety of materials, including MLS, rubber, cork, composite, and more. Whether you’re replacing a blown head gasket in your daily driver, or you’re finishing up a high compression race...
Sealing up a brand new engine? Need to replace a cracked or blown head gasket? Or are you simply worried about blown head gasket cost? You’ve come to the right place, because Summit Racing has top-brand cylinder head gaskets to fit your budget and power demands. We carry the biggest and best brands—Fel-Pro, Edelbrock, Trick Flow, Summit Racing, Mopar Performance, Cometic, and many more. We have head gaskets in a variety of materials, including MLS, rubber, cork, composite, and more. Whether you’re replacing a blown head gasket in your daily driver, or you’re finishing up a high compression race engine, Summit Racing has the cylinder head gaskets you need. Shop now!
Head Gasket, 4.600 in. Bore, .051 in. Compressed Thickness, Chevy, Big Block, Each
Part Number: CGT-C5641-051
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gaskets, 4.040 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Fits 1992-97 LT1 Engine, Each
Part Number: CGT-C5645-040
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLS, Marine, 4.600 in. Bore, .040 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5641-040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gaskets, 4.040 in. Bore, .027 in. Compressed Thickness, Chevy, Small Block, Each
Part Number: CGT-C5645-027
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gaskets, MLS Marine, Multi-layer Stainless Steel, 4.600 in. Bore, 0.030 in. Compressed Thickness, Chevrolet, Big Block, Each
Part Number: CGT-C5641-030
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Head Gasket, MLS, 4.100 in. Bore, .051 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5646-051
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, Marine, 4.580 in. Bore, .060 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5640-060
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.040 in. Bore, .051 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5645051
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
.030" MLS W/VALVE POCKETS
Part Number: CGT-C5645-030
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
.066" MLS-5 W/VALVE POCKETS
Part Number: CGT-C5645-066
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.040 in. Bore, .070 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5645-070
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
.080" MLS-5 W/VALVE POCKETS
Part Number: CGT-C5645-080
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.100 in. Bore, .030 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5646-030
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gaskets, MLS Marine, 4.600 in. Bore, Chevrolet, Big Block, Designed To Fit Mercury Marine 1050 Gen IV with 2-bolt Intake Side of Gasket, Each
Part Number: CGT-C5641-060
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
.045" MLS W/2 BOLT INTAKE SIDE
Part Number: CGT-C5641-045
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
.036" MLS W/VALVE POCKETS
Part Number: CGT-C5645-036
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLS, 4.040 in. Bore, .045 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5645-045
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.100 in. Bore, .027 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5646-027
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.100 in. Bore, .045 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5646-045
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.100 in. Bore, .056 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5646-056
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.100 in. Bore, .098 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5646-098
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gaskets, MLS Marine, 4.600 in. Bore, Chevrolet, Big Block, Designed To Fit Mercury Marine 1050 Gen IV with 2-bolt Intake Side of Gasket, Each
Part Number: CGT-C5641-070
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, Marine, MLS, 4.580 in. Bore, 0.051 in. Thickness, Chevy, Each
Part Number: CGT-C5640-051
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.600 in. Bore, .027 in. Compressed Thickness, Mercury Marine, Each
Part Number: CGT-C5641-027
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
.036" MLS W/2 BOLT INTAKE SIDE
Part Number: CGT-C5641-036
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
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