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The Cometic GM Gen-V/VI Big Block V8 .040in MLX Cylinder Head Gasket - 4.560in Bore - C15656-040 is a precision-engineered head gasket with a 4.560" bore and .040" compressed thickness.
The Cometic MLX Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring MLX Multi-Layer Steel (MLS) construction, this gasket uses multiple embossed steel layers for superior sealing under extreme cylinder pressures and temperatures. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.
Verified fitment: Chevrolet C1500 (1991–1993); Chevrolet C2500 (1991–1995); Chevrolet C2500 Suburban (1992–1995); Chevrolet C3500 (1991–1995); Chevrolet G30 (1991–1996); Chevrolet K2500 (1991–1995); Chevrolet K2500 Suburban (1992, 1994–1995); Chevrolet K3500 (1991–1995); and 15 more.
Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.
We carry 750,000+ parts, so we can probably still get it. Check the spelling, try the part number, or ask us.
Request this part Text us (833) 691-5717