Cometic Pontiac 455 Big Block V8 .051in MLS Street Pro Cylinder Head Gasket 4200in Bore - PRO1010T-051

The Cometic Pontiac 455 Big Block V8 .051in MLS Street Pro Cylinder Head Gasket 4200in Bore - PRO1010T-051 is a precision-engineered gasket kit with a 4.200" bore and .051" 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.

• Material: Multi-Layer Steel (MLS)
• Bore Size: 4.200"
• Thickness: .051" compressed
• Part Number: PRO1010T-051

Verified fitment: Pontiac Bonneville (1970–1976); Pontiac Catalina (1970–1976); Pontiac Executive (1970); Pontiac Firebird (1971–1976); Pontiac GTO (1970–1973); Pontiac Grand Am (1973–1975); Pontiac Grand LeMans (1975–1976); Pontiac Grand Prix (1970–1976); and 3 more.