KIBBLEWHITE Nitrided Valve — Intake, 1.750" head, 3.590" length, 0.3765" stem, 23° tulip – 36-47 Big Twin
Nitrided, Stellite‑tipped one-piece design for reduced wear and improved flow; compatible with leaded and unleaded fuels.
Nitrided, Stellite‑tipped one-piece design for reduced wear and improved flow; compatible with leaded and unleaded fuels.
One-piece, Stellite-tipped construction enhanced by a specialized nitriding process that builds surface resistance and reduces friction. 🔧
The treatment deposits microscopic layers to improve wear properties and outperforms hard chromium and electroplated nickel in corrosion resistance and longevity. ⚙️
Engineered for lightweight performance with flow-optimized profiles, it runs reliably with both leaded and unleaded fuels and performs well in cast-iron and bronze guides for precise oil control and heat dissipation. 🇺🇸
Made in the USA.
This product fits the following vehicles. Use the filters below to narrow down the list if needed.
| Manufacturer | Model | Family | Year | Notes |
|---|---|---|---|---|
| Harley Davidson | Big Twin | 1936 | ||
| Harley Davidson | Big Twin | 1937 | ||
| Harley Davidson | Big Twin | 1938 | ||
| Harley Davidson | Big Twin | 1946 | ||
| Harley Davidson | Big Twin | 1947 | ||
| Harley Davidson | Big Twin | 1936 | ||
| Harley Davidson | Big Twin | 1937 | ||
| Harley Davidson | Big Twin | 1938 | ||
| Harley Davidson | Big Twin | 1939 | ||
| Harley Davidson | Big Twin | 1940 | ||
| Harley Davidson | Big Twin | 1941 | ||
| Harley Davidson | Big Twin | 1942 | ||
| Harley Davidson | Big Twin | 1943 | ||
| Harley Davidson | Big Twin | 1944 | ||
| Harley Davidson | Big Twin | 1945 | ||
| Harley Davidson | Big Twin | 1946 | ||
| Harley Davidson | Big Twin | 1947 | ||
| Harley Davidson | Big Twin | 1946 | ||
| Harley Davidson | Big Twin | 1947 | ||
| Harley Davidson | Big Twin | 1941 | ||
| Harley Davidson | Big Twin | 1942 | ||
| Harley Davidson | Big Twin | 1943 | ||
| Harley Davidson | Big Twin | 1944 | ||
| Harley Davidson | Big Twin | 1945 | ||
| Harley Davidson | Big Twin | 1946 | ||
| Harley Davidson | Big Twin | 1947 |