Hemi Valve Cover Gasket Set TF/FC

The Hemi Valve Cover Gasket Set TF/FC by FEL-PRO (MPN 1657) is engineered for serious drag racing and high-performance Mopar 426 Hemi engines that demand reliability under extreme conditions. Top Fuel and alcohol-burning applications generate sustained heat and pressure that destroy standard gasket materials—this pair of premium gaskets is specifically designed to survive those punishing environments where engine bay temperatures regularly exceed 200°F and cylinder pressures spike violently. Whether you're rebuilding a legendary race engine or maintaining existing competition equipment, this gasket set ensures oil sealing integrity when it matters most.

Each gasket in this set features a 0.094-inch thickness with a steel core composite construction—a proven design that resists blowout, compression set, and thermal degradation far better than cork or rubber alternatives alone. The steel reinforcement prevents edge collapse and maintains a consistent seal across the valve cover sealing surface, even when engine vibration and cylinder fire subject the gasket to repeated flex cycles. FEL-PRO's composite formulation is chemically resistant to fuel additives, oil detergents, and alcohol fuels, preventing the softening or swelling that compromises conventional materials in race engines. This pair ensures full coverage across both cylinder head assemblies on your big-block Hemi configuration.

Drag racers, restoration shops, and engine builders trust FEL-PRO's Hemi valve cover gasket set for Top Fuel and alcohol competition because oil leaks at the track—or on the dyno—mean lost engine diagnostics and wasted run time. Direct fitment to Mopar 426 Hemi engines eliminates custom fabrication and ensures proper seating without modification. Installation is straightforward: clean the valve cover and head sealing surfaces to bare metal, apply a light gasket sealer if desired, and torque covers in a crisscross pattern. Keep a spare pair on hand for mid-season replacement, as gasket life in alcohol engines typically runs 8–12 passes before thermal cycling accumulation demands refresh.