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
Supplier stock checked 11/7/2026, 6:14:02 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
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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