Twin Power Valve And Spring Engine Kit

• Engine kits include (four) valves, a complete O.E.M. replacement-style spring kit, steel retainers and keepers, and valve guide seals, where applicable.

• Black Diamond Valves: Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface build-up of .0002.

• This Black Diamond process improves wear properties, reduces friction and provides resistance to corrosion.

• Valves are lightweight, strong, one-piece forgings with profiles that provide excellent flow characteristics.

• O.E.M. type replacement kits are designed to give stock pressures and work with stock cam profiles. These kits are manufactured to original O.E.M. specifications using premium modern materials, design protocols and manufacturing techniques