#3351-4 Rocker Arm Thrust Washer Kit 1936-47 Harley-Davidson Knucklehead Colony

#3365-2 Carburetor Line Fitting 1952-Up Harley Big Twin/XL CAD Plated Colony Mac

1941 Harley-Davidson Knucklehead Cylinder Head Front Rocker Box, Shaft, Arm

#9841-8 Rocker Shaft End Nut Kit 1936-1947 HD Knucklehead CAD Plated Colony Mach

#9842-8 Rocker Shaft End Nut Kit 1936-1947 HD Knucklehead Parkerized Colony Mach

#7605-4 Rocker Arm Thrust And Packing Washer Kit 1936-47 H-D Knucklehead Colony

Spare Parts Book 1936-1948 Harley EL FL UL UH Knucklehead Flathead Panhead USA

#3025-34 Rocker Arm Cover Screw Kit 1939-47 Harley Knucklehead Parkerized Colony