Top End

Full set of Black Diamond™ stainless steel standard size valves for engine applications listedAll valves are impregnated by a special process to a depth of .002” with a surface buildup of .0002”This process improves wear properties, reduces friction...

Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications listedAll valves are impregnated by a special...

Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications listedAll valves are impregnated by a special...

Full set of Black Diamond? stainless steel standard size valves for engine applications listedAll valves are impregnated by a special process to a depth of .002?ǥ with a surface buildup of .0002?ǥThis process improves wear properties, reduces friction...

Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine applications listedAll valves are impregnated by a special...

Full set of Black Diamond™ stainless steel standard size valves for engine applications listedAll valves are impregnated by a special process to a depth of .002” with a surface buildup of .0002”This process improves wear properties, reduces friction...

Progressively wound springs using Kobe super-clean, chrome silicon-based wire that is heat treated and shot peenedTight-tolerance, FEA-designed hardened steel Posi-Loc™ style upper retainers to ensure correct assembly height and resist keeper "pull...

Progressively wound springs using Kobe super-clean, chrome silicon-based wire that is heat treated and shot peenedTight-tolerance, FEA-designed hardened steel Posi-Loc™ style upper retainers to ensure correct assembly height and resist keeper "pull...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond™ intake valvesExtend the life of the valvetrain and intake components by as much as 4x over the OEM titanium partsIncludes...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond™ intake valvesExtend the life of the valvetrain and intake components by as much as 4x over the OEM titanium partsIncludes...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond™ intake valvesExtend the life of the valvetrain and intake components by as much as 4x over the OEM titanium partsIncludes...

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond™ intake valvesExtend the life of the valvetrain and intake components by as much as 4x over the OEM titanium partsIncludes...