Top End

One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce frictionThis process provides resistance to corrosion; wears superior to hard...

Beehive Spring Kit - 0.640" Lift - H.T. Steel - M8 | Cvo 20-24400

Beehive Spring Kit - 0.640" Lift - Titanium - M8 | Cvo 20-24350

Kibblewhite Dual Spring Kit - M8 20-23850

Spring kit is designed with increased spring rates and high lift compatibility compared to the stock springsCompatible with boosted or turbocharged applicationsCNC-machined titanium retainers and Cr-Si dual springs provide valvetrain control at high rpms...

Spring kit is designed with increased spring rates and high lift compatibility compared to the stock springsCompatible with boosted or turbocharged applicationsCNC-machined titanium retainers and Cr-Si dual springs provide valvetrain control at high rpms...

Spring kit is designed with increased spring rates and high lift compatibility compared to the stock springsCompatible with boosted or turbocharged applicationsCNC-machined titanium retainers and Cr-Si dual springs provide valvetrain control at high rpms...

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...

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...

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...