GMC Cometic Parts and Accessories

Head Gasket, MLS, 4.200 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5249-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .027 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-027

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: CGT-C5246-045

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: CGT-C5269-045

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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: Feb 18, 2026 if ordered today

Engine Cylinder Head Gasket

Part Number: CGT-C5477-036

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, 3.910 in. Bore, .027 in. Compressed Thickness, Chevy, LS, 5.7, Each

Part Number: CGT-C5475-027

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: CGT-C5330-027

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Head Gaskets, MLS, 4.185 in./106.30mm Bore, Round Shape, 0.040 in. Thick, Multi-Layer Stainless Steel, 18/23 Degree Heads, Chevy, 4.3-6.6L, Each

Part Number: CGT-C15528-040

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

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

Part Number: CGT-C5474-036

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: CGT-C5489-036

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket, MLS, 4.030 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5399-036

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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: Feb 23, 2026 if ordered today

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

Part Number: CGT-C5402-027

Not Yet Reviewed

Estimated Ship Date: Today

EXHAUST GASKET SET

Part Number: CGT-C15547

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, MLS, 4.030 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5399-051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Today

Cylinder Head Gasket , .034" MLS 18 OR 23 DEG HEADS , CHEVY SM BLOCK 4.060" BORE

Part Number: CGT-C5245-034

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: CGT-C5817-030

Not Yet Reviewed

Estimated Ship Date: Today

Head Gasket, Multi-layer Steel, 4.630 in. Bore, .036 in. Compressed Thickness, Chevy, Big Block, Each

Part Number: CGT-C5331-036

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: CGT-C5247-030

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

Head Gasket, MLS, 4.060 in. Bore, .032 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5269-032

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Head Gasket, 4.135 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5401-040

Not Yet Reviewed

Estimated Ship Date: Today