VALVE INTAKE XR50, Z50, CRF50 BLACK DIAMOND SS, KIBBLEWHITE 30-30530 STAINLESS, BLACKDIAMOND 14711-GK4-013

Part No. 65-475.IN.KW.BD (phoenixmotos.com)
Black Diamond INTAKE Valves for Honda XR 50 2000-2003
Kibblewhite # 30-30530, INTAKE
Head Diameter 19.00mm / 0.748 inc.
Stem Diameter 5.00mm / 0.1960 inc.

with a .0002 INC. surface build-up to improve wear properties and reduce friction. This process provides resistance to corrosion and wear that is superior to that developed by hard chromium and electrolysis nickel plating. These valves are light and the profiles provide excellent flow characteristics.