Valve, Black Diamond Stainless, Stock Size Exhaust valve, Honda 10-15 Honda CRF250R
These valves are intended as O.E.M. replacement valves and are completely compatible with the O.E.M. spring kits. However, experienced engine builders, who are running aggressive camshafts or higher than factory RPM’s may find the combination of the O.E.M. Style Valve and KPMI’s Lightweight Racing Spring Kits advisable.
Required: Valve seat cutting or resurfacing to insure proper valve seat seal for optimum performance.
| Type | Exhaust |
| Material | Black Diamond™ Stainless |
| Coating | Black Nitroneg |
| Quantity | Pkg. of 1 |
| Head Diameter | 25.00mm / 0.984" |
| Stem Diameter | 5.50mm / 0.1760" |
| Overall Length | 3.310" |
| Tulip | 20º |
| Remarks | Standard |
| Note | These valves are intended as O.E.M. replacement valves and are completely compatible with the O.E.M. spring kits. However, experienced engine builders, who are running aggressive camshafts or higher than factory RPM’s may find the combination of the O.E.M. Style Valve and KPMI’s Lightweight Racing Spring Kits advisable. |
