KIBBLEWHITE Standard-Size C630 Bronze Exhaust Valve Guide, Natural, Each, OEM BMW 70-90
DS-09262852Regular price $26.95
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KIBBLEWHITE Standard-Size C630 Bronze Exhaust Valve Guide, Natural, made in the usa, Each, specific application, OEM Replacement
- 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 longer life capacity
- All valve guides are made of Ampco-45, a high-performance nickel-bronze material that provides excellent thermal and wear properties
- Super-clean silicon wire used in valve springs is ground, not shaved, and X-rayed at regular intervals to check for flaws
- Titanium retainers are made from 6AL4V titanium alloy; designed to be the strongest and lightest for ultimate performance
- Keepers not included; use OEM keepers and bases, as noted
- Valves and guides are sold each; spring kits come complete for one motor and include instructions
- All components made in the U.S.A.