CHEVROLET 6.6L/400 Head Gaskets - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Fel-Pro Performance Head Gaskets 1003

Head Gasket, Composition Type, 4.166 in. Bore, .041 in. Compressed Thickness, Chevrolet, Small Block, Each

Part Number: FEL-1003

4.91 out of 5 stars ( 102 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Summit Racing™ Copper Head Gaskets SUM-111505

Head Gaskets, Copper, 4.155 in. Bore, .062 in. Compressed Thickness, Chevy, Small Block, Pair

Part Number: SUM-111505

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5245-040

Cometic MLS Head Gaskets C5245-040

Head Gasket, MLS, 4.060 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-040

4.61 out of 5 stars ( 18 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Fel-Pro Performance Head Gaskets 1010

Head Gasket, Steel Core Laminate, 4.166 in. Bore for 4.155 in. Maximum Engine Bore, 0.039 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: FEL-1010

4.63 out of 5 stars ( 32 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5331-040

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .040 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-040

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5399-040

Head Gasket, 4.030 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5399-040

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5248-040

Head Gasket, MLS, 4.165 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5248-040

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Fel-Pro Performance Head Gaskets 1014

Head Gasket, Composition Type, 4.200 in. Bore, .039 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: FEL-1014

4.96 out of 5 stars ( 24 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5331-051

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .051 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-051

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5331-060

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .060 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5245-023

Head Gasket, Multi-Layer Stainless Steel, 4.060 in. Bore, 0.023 in. Thickness, Round Bore Style, Each

Part Number: CGT-C5245-023

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Fel-Pro Performance Head Gaskets 1004

Head Gasket, Composition Type, 4.190 in. Bore, .041 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: FEL-1004

4.94 out of 5 stars ( 18 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5249-040

Head Gasket, MLS, 4.200 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-040

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5816-040

Head Gasket, MLS, 4.320 in. Bore, 0.040 in. Thickness, Chevy, 454, Each

Part Number: CGT-C5816-040

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets H1075SP4040S

Head Gasket, 4.155 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-H1075SP4040S

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5330-040

Head Gasket, MLS, 4.540 in. Bore, .040 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5330-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Fel-Pro Performance Head Gaskets 1044

Head Gasket, Composition Type, 4.200 in. Bore, .051 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: FEL-1044

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5245-051

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

Part Number: CGT-C5245-051

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5245-027

Head Gasket, MLS, 4.060 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-027

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5248-027

Head Gasket, MLS, 4.165 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-027

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5329-040

Head Gasket, MLS, 4.375 in. Bore, .040 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5329-040

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5248-080

Head Gasket, MLS, 4.165 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-080

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5399-030

Head Gasket, MLS, 4.030 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5399-030

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Fel-Pro Performance Head Gaskets 1143

Head Gasket, Multi-layer Steel, Chevy, Small Block, Each

Part Number: FEL-1143

4.29 out of 5 stars ( 14 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5331-095

Head Gasket, MLS, Multi-layer Stainless Steel, 4.630 in. Bore, 0.095 in. Compressed Thickness, Chevrolet, Big Block, Each

Part Number: CGT-C5331-095

Not Yet Reviewed

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

Cometic MLS Head Gaskets C5245-030

Head Gasket, MLS, 4.060 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-030

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025