SKU: SKU: CGSPRO1005T-4200-040
The Cometic Chevy 396/402 Mark-IV Big Block V8 Top End Gskt Kit-4.200in Bore-.040in MLS Cyl Head Gskt - PRO1005T-4200-040 is a precision-engineered gasket kit with a 4.200" bore and .200" compressed thickness.
This Cometic complete gasket kit delivers a comprehensive, precision-matched set of seals and gaskets engineered to OE or better specifications. Each component is manufactured from materials specifically chosen for their temperature range, chemical resistance, and compressibility — ensuring every sealing surface in your engine is properly protected during rebuild or performance upgrades.
Verified fitment: Chevrolet Bel Air (1970–1975); Chevrolet Biscayne (1970–1972); Chevrolet Blazer (1973–1974); Chevrolet Brookwood (1970–1972); Chevrolet C10 (1970–1980); Chevrolet C10 Suburban (1970–1980); Chevrolet C20 (1970–1985); Chevrolet C20 Suburban (1970–1985); and 40 more.