GMC Cometic Parts and Accessories

Head Gasket, MLS, 4.125 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5247-030

Not Yet Reviewed

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

Head Gasket, MLS, 4.375 in. Bore, .023 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5329-023

Not Yet Reviewed

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

Head Gasket, MLS, 4.100 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5246-036

Not Yet Reviewed

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

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

Head Gasket, MLS, 4.310 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5432-051

Not Yet Reviewed

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

Head Gasket, MLS, 4.630 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5434-045

Not Yet Reviewed

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

Head Gasket, MLS, 4.030 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5399-045

5.0 out of 5 stars ( 1 )

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

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

Part Number: CGT-C5332-040

5.0 out of 5 stars ( 1 )

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

.023" MLS 396,402,427,454

Part Number: CGT-C5331-023

Not Yet Reviewed

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

Head Gasket, MLS, 4.200 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-036

5.0 out of 5 stars ( 1 )

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

Head Gasket, MLS, 4.130 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-040

Not Yet Reviewed

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

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

Part Number: CGT-C5751-027

Not Yet Reviewed

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

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

Part Number: CGT-C5404-040

5.0 out of 5 stars ( 1 )

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

Head Gasket, 4.125 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5400-040

Not Yet Reviewed

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

.040" MLS 18 OR 23 DEG H/G

Part Number: CGT-C15495-040

Not Yet Reviewed

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

Gasket, Manifold, Intake, 0.125 in. Thick, Chevy, Big Block, Pair

Part Number: CGT-C5649-125

5.0 out of 5 stars ( 2 )

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

Head Gasket, MLS, 4.320 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5817-030

Not Yet Reviewed

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

Head Gasket, MLS, 4.135 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5274-027

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

• Drop Ship
• Special Order

Head Gasket, MLS, Multi-layer Steel, 4.004 in. Bore, for Use with Brodix BD2000 Heads, Buick, Chevy, GMC, Oldsmobile, Pontiac, Chevy Small Block, Each

Part Number: CGT-C5469

Not Yet Reviewed

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

Rear Main Seals, Single Split Seal, 1-Piece, Chevy, 6.5L, 6.6L, 7.0L, 7.4L, Each

Part Number: CGT-C15560

Not Yet Reviewed

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

Head Gasket, MLS, 4.310 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5432-036

Not Yet Reviewed

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

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

Part Number: CGT-C5272-040

Not Yet Reviewed

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

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

Part Number: CGT-C5751-045

Not Yet Reviewed

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

Head Gasket, MLS, 4.160 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5402-027

Not Yet Reviewed

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

Head Gasket, MLS, 4.375 in. Bore, .030 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5329-030

5.0 out of 5 stars ( 2 )

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