Chevy SBC 350 1955-85 Rubber w/Steel Core Valve Cover Gasket Set - Black improved meshing to reduce tooth

improved meshing to reduce tooth jump

Speedmaster wing nuts are 5 in

The Speedmaster C4 performance planetary gear sets eliminate your weakest link

Couple this Hi-Ram intake with the high flowing LS3 style cylinder heads has outstanding potential for naturally aspirated and forced induction applications

The OEM replacements get harder to find as time goes on

Chevy SBC 350 1955-85 Rubber w/Steel Core Valve Cover Gasket Set - Black improved meshing to reduce toothSpeedmaster valve cover gaskets are manufactured from high quality rubber, which is molded over and vulcanized to a rigid steel frame. They won't leak, blow out, or get sucked in, the way stock or inferior quality aftermarket gaskets can. These gaskets feature superior quality rubber and steel, which outlast cork and rubber composite designs to provide years of dependable service, especially if you frequently have to remove and reinstall the valve