Engine Gaskets, Seals & More

Cometic MLS Head Gaskets C5329-027

Cometic MLS Head Gaskets C5329-027

Head Gasket, MLS, 4.375 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5329-027

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5245-045

Head Gasket, MLS, 4.060 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245045

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Dart Valve Stem Seals 26000025

Valve Stem Seal, Positive Stop, Rubber, 0.344 in. Stem, Designed To Fit Dart S/S Cylinder Heads, Each

Part Number: DRT-26000025

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5247-027

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 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5515-030

Head Gasket, MLS, 4.155 in. Bore, .030 in. Compressed Thickness, Ford, 289, 302, 351W, Each

Part Number: CGT-C5515-030

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5769-040

Head Gasket, 4.200 in. Bore, .040 in. Compressed Thickness, Pontiac, 455, Each

Part Number: CGT-C5769-040

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5667-060

Head Gasket, MLS, 4.500 in. Bore, Multi-layer Stainless Steel, Ford, 429, 460, Each

Part Number: CGT-C5667-060

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5692-040

Head Gaskets, 4.020 in. Bore, .040 in. Compressed Thickness, GM, V6, Each

Part Number: CGT-C5692-040

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5512-080

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 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5834-027

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

Part Number: CGT-C5834-027

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5245-080

Head Gasket, MLS, 4.060 in. Bore, .080 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-080

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Mahle Original Valve Stem Seals SS45799A

Valve Stem Seal Dodge-Trk:318(5.2L)Magnum(92-95);360(5.9L)Magnum(93-95)(exh)

Part Number: MAH-SS45799A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Manley Viton® Valve Stem Seals 24040-8

Valve Stem Seals, Viton®, Positive Stop, .420 in. Guide, 5/16 in. Valve Stem, Set of 8

Part Number: MAN-24040-8

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5331-056

Head Gasket, MLS, 4.630 in. Bore, .056 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5331-056

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5249-045

Head Gasket, MLS, 4.200 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-045

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Fel-Pro Valve Stem Seals SS 70529

Valve Stem Seals, Umbrella, AMC, Jeep, 5.0/5.9/6.6L, V8, Set of 16

Part Number: FEL-SS70529

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5027-040

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

Part Number: CGT-C5027-040

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5462-027

Head Gasket, Multi-Layer Steel, 4.410 in. Bore, 0.027 in. Compressed Thickness, Chrysler, Big Block, Each

Part Number: CGT-C5462-027

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5333-027

Head Gasket, MLS, 4.540 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5333-027

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Mahle Original Valve Stem Seals SS45390

Valve Stem Seal Ford-Pass, Trk&Ind:292, 330, 332, 352, 359, 360, 361, 389, 390, 391, 406, 410, 427, 428(5

Part Number: MAH-SS45390

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5330-030

Head Gasket, MLS, 4.540 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5330030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5474-036

Head Gasket, MLS, 4.080 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5474-036

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5909-040

Head Gaskets, 4.030 in. Bore, .040 in. Compressed Thickness, Ford, Small Block, Each

Part Number: CGT-C5909-040

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C15535-040

Head Gasket, MLS, 4.040 in. Bore, .040 in. Compressed Thickness, Dodge, Magnum V8, Each

Part Number: CGT-C15535-040

Not Yet Reviewed

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Cometic MLS Head Gaskets C5246-051

Head Gasket, MLS, 4.100 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 3/23/2026 if shipped by air