Black Diamond Replacement Valves for Evo Sportster Conversion
-
Black Nitroneg stems

- One piece forged stainless steel valves impregnated with a special German process to improve wear properties and reduce friction
- Provide resistance to corrosion and wear superior to hard chromium and electrolysis nickel plating
- Single Groove valves
- Not sure which you need, view or download the chart from the Goodson catalog.
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Black Diamond Replacement Valves for Evo Sportster Conversion
Black Diamond Replacement Valves for Evo Sportster Conversion
-
Black Nitroneg stems

- One piece forged stainless steel valves impregnated with a special German process to improve wear properties and reduce friction
- Provide resistance to corrosion and wear superior to hard chromium and electrolysis nickel plating
- Single Groove valves
- Not sure which you need, view or download the chart from the Goodson catalog.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
-
Black Nitroneg stems

- One piece forged stainless steel valves impregnated with a special German process to improve wear properties and reduce friction
- Provide resistance to corrosion and wear superior to hard chromium and electrolysis nickel plating
- Single Groove valves
- Not sure which you need, view or download the chart from the Goodson catalog.













