This modern

2-1/4" diameter by 3-1/2" long

Koyo Neck Bearings SKU 016316 (Japanese High-Quality) or Cycle Standard Bearngs SKU 017741 (Imported High-Quality)

#BHC-829 1/4-20 x 5/8 inch Length Chrome Button Head Allen Bolt - 10 Pack

Oil Pump 1936-52 Harley-Davidson Knucklehead Panhead - Replaces OEM #26201-41 26201-48 Bar Control Diameter_1 inch This modernSourcing a reliable, period correct oil pump is essential for any Knucklehead or early Panhead engine rebuild. This cast iron oil pump is a faithful reproduction of the early factory style, designed to keep your vintage motor properly lubricated for years to come. Period Correct Reproduction: Faithfully reproduces the cast iron oil pump used by the factory on early Knucklehead models from 1936 1940, ensuring an authentic look and function. Broad