Replacement Exhaust Valves for Evo Big Twin & Twin Cam with 5/16" Valves
These superb single groove valves feature the highest flow levels on the market. They are one-piece forged from a racing grade stainless steel alloy and are available in hard black or chrome finish. Each valve has a bearing-quality hardened tip at the end of the stem to prevent premature wear with high-lift applications.
- Back Angle: 25º
- Tip Length: .2000" (HBV-1700A, has a tip length of .2350")