Fits: 1940-'47 Over Head Valve. Knuckle head series. 8 Ribs, w/tapped hole for top end oiling ,
5/16" gen mount holes. S&S® Pinion bushing I.D. 9/16". - Natural Finish
Fitment
| Year(s) | Make | Model Code | Model |
|---|---|---|---|
| 1940-1947 | Harley-Davidson | — | Big Twin |
Fits: 1940-'47 Over Head Valve. Knuckle head series. 8 Ribs, w/tapped hole for top end oiling ,
5/16" gen mount holes. S&S® Pinion bushing I.D. 9/16". - Natural Finish
| Year(s) | Make | Model Code | Model |
|---|---|---|---|
| 1940-1947 | Harley-Davidson | — | Big Twin |