723468 1 16 1 8 and 1 4 NPT Socket Head Plug

These Colony socket head plugs are essential hardware for modifying or maintaining Harley-Davidson lubrication and venting systems. Manufactured with precision NPT threading, this assortment includes 1/16 inch, 1/8 inch, and 1/4 inch sizes to suit various engine requirements. They are commonly used to block off front chain oiling systems when converting older Big Twin models from chain to belt primary drives, or for sealing unused vent holes on crankcases. Colony is renowned for producing accurate reproduction and specialty hardware that meets the specific needs of vintage and custom engine builders. These plugs provide a clean, flush-mount solution for blocking fluid passages during custom oil pump or crankcase modifications.