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, Composition Type, 4.300 in. Bore, .039 in. Compressed Thickness, Pre-Flattened Steel Wire Ring, Pontiac, 389/400/421/428/455, Each
Part Number: FEL-1016
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLS, 4.300 in. Bore, .098 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-098
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, 4.300 in. Bore, 0.040 in. Compressed Thickness, Chevy, ZL-1, Each
Part Number: CGT-C5747-040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, Composite, 4.300 in. Bore, .040 in. Compressed Thickness, Pontiac, Each
Part Number: MAH-3494VC
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, Steel Core Laminate, 4.300 in. Bore, Cadillac, 472/500, Each
Part Number: FEL-8255PT
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLS, 4.300 in. Bore, .027 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-027
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLS, 4.300 in. Bore, .040 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-040
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLS, 4.300 in. Bore, .036 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-036
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, 4.300 in. Bore, 0.051 in. Compressed Thickness, Chevy, ZL-1, Each
Part Number: CGT-C5747-051
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLS, 4.300 in. Bore, .051 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-051
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Cylinder Head Gasket , .027" MLS HEAD GASKET , PONT 389, 421 V8 4.300" BORE
Part Number: CGT-C15262-027
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, Multi-Layer Stainless Steel, 4.300 in. Bore, Pontiac, 6.4L/6.9L, Each
Part Number: CGT-C15262-066
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.300 in. Bore, .030 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-030
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.300 in. Bore, .045 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-045
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.300 in. Bore, .056 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-056
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.300 in. Bore, .060 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-060
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.300 in. Bore, .066 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-066
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.300 in. Bore, .070 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-070
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.300 in. Bore, .075 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-075
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.300 in. Bore, .080 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-080
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, MLS, 4.300 in. Bore, .120 in. Compressed Thickness, Pontiac, Each
Part Number: CGT-C5712-120
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, 4.300 in. Bore, 0.027 in. Compressed Thickness, Chevy, ZL-1, Each
Part Number: CGT-C5747-027
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, 4.300 in. Bore, 0.030 in. Compressed Thickness, Chevy, ZL-1, Each
Part Number: CGT-C5747-030
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gasket, 4.300 in. Bore, 0.120 in. Compressed Thickness, Chevy, ZL-1, Each
Part Number: CGT-C5747-120
Not Yet Reviewed
Estimated Ship Date: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Head Gaskets, RCC, 4.300 in. Bore, Rubber Coated Copper, Powerstroke, Diesel, Navistar Engine, Pair
Part Number: FOG-984654300
Not Yet Reviewed
Estimated Ship Date: Aug 19, 2025 if ordered today
Estimated Ship Date: Aug 19, 2025 if ordered today
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