Harley 45 Flahead,U,UL,ULH Circuit Breaker Drive Gear *NOS* 1937-57 P/N 25851-37

Harley 45 Flahead,U,UL,ULH Circuit Breaker Drive Gear 

Fits Big Twin Flatheads & 45’s 1937-57..Fits # 2 Cam..*Pressed on***NOS* Check your parts book for correct fitment..

Part # 25851-37 or OLD # 621-37