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Cometic GM SB 18/23 Deg 4.200in Bore 0.043in Copper Head Gasket (No Steam Holes)

Cometic Gasket · New

Cometic GM SB 18/23 Deg 4.200in Bore 0.043in Copper Head Gasket (No Steam Holes)

MPN C15412-043 · Store SKU cgsC15412-043

$128.57
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Supplier stock checked 11/7/2026, 6:14:02 AM UTC. Adding a part does not reserve it.

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Product details

Chevrolet Gen-1 Small Block V8 .043in. Copper Cylinder Head Gasket; 4.200in. Bore; 18/23 Degree Head; Valve Pocketed Bore Chevrolet Gen-1 Small Block V8 .043" Copper Cylinder Head Gasket, 4.200" Bore, 18/23 Degree Head, Valve Pocketed Bore Chevrolet Gen-1 Small Block V8 Cylinder Head Gasket Requires less clamp load Copper Head Gasket

Manufacturer fitment & guides

  • GM CHEVY 18/23 DEG SM BLOCK 4.200in. BORE
  • Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.

Part-specific notes

  • California Proposition 65: Y
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