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This Cometic copper head gasket matches Chevrolet Gen‑1 small block V8 engines with a 4.165in bore, 0.043in thickness, and an 18/23 degree head angle; it is the round bore no‑steam‑hole option. Market notes indicate less clamp load required. The gasket employs embossed outer layers and Viton coating to improve load distribution and minimize bore distortion without extra sealants.
Cometic Chevy Small Block 4.165in Bore 0.043in Copper Head Gasket (No Steam Holes)
