Engine

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...

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...

These high quality replacement springs have been designed to exceeds the OEM specifications by fitting precisely on the spring shoulder diameter of both the OEM retainers, and KPMI« H.T. Steel retainers This kit also includes H.T. Steel basewashers in...

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...

Titanium retainers are made from 6AL4V titanium alloy; designed to be the strongest and lightest for ultimate performance All components made in the U.S.A.. RETAINER SET 16/PK GSXR

These high quality replacement springs have been designed to exceeds the OEM specifications by fitting precisely on the spring shoulder diameter of both the OEM retainers, and KPMI« H.T. Steel retainers This kit also includes H.T. Steel basewashers in...

Designed to out-perform and outlast the factory valve springs Kit features lightweight, high-strength CrSi valve springs, H.T. steel base washers and titanium spring retainers Complete kit, everything you need to for a complete valve spring swap. VALVE...

Tensilite« valves are CNC machined from one-piece forgings of 6AL4V or 6-2-4-2 titanium alloy Finished with a CrN PVD coating that has a low coefficient of friction, and is impact, abrasion, and corrosion resistant Made in the U.S.A.. VALVE INT TI...

Black DiamondÖ valves are CNC machined from one-piece forgings of EV8 Stainless Steel Black DiamondÖ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and wear Made in the U.S.A. Must use Kibblewhite«...

White DiamondÖ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751 Electroplated with a 360? anode, to produce an even coat of the highest grade hard chrome finish Made in the U.S.A.. VALVE EX +1MM HON1000 16+

Keepers are made from high tensile strength steel. KEEPER SET 8/PR YZFR1

Extensive R&D on all applications to provide high-performance components that last longer than OEM Black Diamond valves are one-piece forgings made from 21-4N high-performance stainless steel Trademarked Black Diamond treatment provides a stem that has a...