Black Diamond Replacement Exhaust Valves for Shovelhead 74"
- 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
- For 1966 to 1983 models
Specifications:
- 1.812" Head Dia.
- 0.3760" Stem
- 0.234 Tulip Radius
- | 29º Tulip Angle
- 3.820" OAL
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Black Diamond Replacement Exhaust Valves for Shovelhead 74"
Black Diamond Replacement Exhaust Valves for Shovelhead 74"
- 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
- For 1966 to 1983 models
Specifications:
- 1.812" Head Dia.
- 0.3760" Stem
- 0.234 Tulip Radius
- | 29º Tulip Angle
- 3.820" OAL
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
- For 1966 to 1983 models
Specifications:
- 1.812" Head Dia.
- 0.3760" Stem
- 0.234 Tulip Radius
- | 29º Tulip Angle
- 3.820" OAL













