Cometic Engine Gaskets & Seals

Rear Main Seal, 1-Piece, Rubber, Avanti, Buick, Chevy, Checker, GMC, Oldsmobile, Pontiac, Each

Part Number: CGT-C5379

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, MLS, 4.080 in. Bore, .040 in. Compressed Thickness, Ford, Lincoln, Mercury, Each

Part Number: CGT-C5513-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, MLS, 4.060 in. Bore, .080 in. Compressed Thickness, Ford, Lincoln, Mercury, Each

Part Number: CGT-C5512-080

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

• Free Shipping

Head Gasket, MLS, 4.630 in. Bore, .040 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5434-040

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, MLS, 4.100 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-027

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, MLS, 4.120 in. Bore, .040 in. Compressed Thickness, Right, Chrysler, Jeep, Dodge, Each

Part Number: CGT-C5026-040

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, 4.600 in. Bore, .051 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5641-051

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .030 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-030

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

Head Gaskets, 4.410 in. Bore, .040 in. Compressed Thickness, Dodge, Big Block, Each

Part Number: CGT-C5462-040

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, MLS, 4.100 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-045

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, 4.500 in. Bore, 0.040 in. Thickness, Each

Part Number: CGT-C5634-040

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

Head Gasket, MLS, 4.375 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5329-080

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

• Free Shipping

Head Gasket, MLS, 4.100 in. Bore, .051 in. Compressed Thickness, Ford, Lincoln, Mercury, Each

Part Number: CGT-C5514-051

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, MLX, 4.200 in. Bore, .040 in. Compressed Thickness, Ford, Each

Part Number: CGT-C5025-040

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

• Free Shipping

Head Gaskets, 4.155 in. Bore, .040 in. Compressed Thickness, Ford, Small Block, Each

Part Number: CGT-C5912-040

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .045 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-045

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

Valve Cover Gasket, Rubber, Dodge, Plymouth, 426 Hemi, Each

Part Number: CGT-C5976

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, MLS, 4.540 in. Bore, .060 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5330-060

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

• Free Shipping

Head Gasket, MLS, 4.165 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5248-036

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

Head Gasket, MLS, 4.080 in. Bore, .051 in. Compressed Thickness, Chrysler, Dodge, Plymouth, 318-360, Each

Part Number: CGT-C5622-051

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, Multi-layer Steel, 4.350 in. Bore, 0.060 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-H1173SPE060S

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

• Free Shipping

Head Gasket, MLS, 4.125 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5247-027

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

Head Gasket, MLS, 4.100 in. Bore, .060 in. Compressed Thickness, Ford, Lincoln, Mercury, Each

Part Number: CGT-C5514-060

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

• Free Shipping

Head Gasket, 4.200 in. Bore, .027 in. Compressed Thickness, Pontiac, 455, Each

Part Number: CGT-C5769-027

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025