Engine

Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black DiamondÖ intake valves Extend the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts Includes...

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

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

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

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

Spring kit contains springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves Spring kit comes complete for one motor Keepers are not included Made in the U.S.A.. SPRING...

Black Diamond? valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; White Diamond? valves feature one-piece construction and hard chrome stems Spring sets...

Extensive R&D on all applications to provide high-performance components that last longer than OEM Titanium retainers are made from 6AL4V titanium alloy; designed to be the strongest and lightest for ultimate performance Keepers not included; use OEM...

Spring kit contains springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves Spring kit comes complete for one motor Keepers are not included Made in the U.S.A.. CRF450...

Black Diamond? valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; White Diamond? valves feature one-piece construction and hard chrome stems Spring sets...

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

Stainless steel conversion kits include only what's needed to convert your head to the long-life stainless steel Black DiamondÖ intake valves Extend the life of the valvetrain and intake components by as much as 4x over the OEM titanium parts Include...