Engine

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

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...

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«...

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance Made in the U.S.A.. GUIDE EX STD HON1000 16+

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance Made in the U.S.A.. GUIDE VLV EX 010 KX250F

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance Made in the U.S.A.. GUIDE VLV IN 010 KX250F

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance Made in the U.S.A.. GUIDE VLV EX 010 CRF250R