Engine

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...

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...

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...

The complete surface has been ground to remove all the imperfections of standard rough-milled material, which also removes notch sensitivity A radius is ground on the last thread to reduce the potential of the stud failing at that point Made of milled...

The complete surface has been ground to remove all the imperfections of standard rough-milled material, which also removes notch sensitivity A radius is ground on the last thread to reduce the potential of the stud failing at that point Made of milled...

The complete surface has been ground to remove all the imperfections of standard rough-milled material, which also removes notch sensitivity A radius is ground on the last thread to reduce the potential of the stud failing at that point Made of milled...

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

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...

600" max lift kits are designed for maximum performance Feature interference-wound, double-chrome silicone springs; heat-treated steel base washers Include steel retainers Made in the U.S.A.. VALVE SPRG KT84-04BT170LB

OE style replacement kit Features dual super clean chrome silicon springs; heat-treated steel base washers .415" lift Includes steel retainers Made in the U.S.A.. SPRING KT L79-84 BT .600A

OE style replacement kit Features dual super clean chrome silicon springs; heat-treated steel base washers .415" lift Includes steel retainers Made in the U.S.A.. VALVE SPRING KIT 66-E84BT

Extensive R&D on all applications to provide high-performance components that last longer than OEM Super-clean silicon wire used in valve springs is ground, not shaved, and X-rayed at regular intervals to check for flaws All components made in the U.S.A....