Pinion gear shaft BTl81-86

Big Twin Note: Models late 1981-early 1983 require the late 3/4"-20 nut ZPN235833 (OEM 24016-80)., Fits models late 1981-1986, metered oil hole plugs included, Jims USA (OEM 24006-80 & 24006-83)

Jims USA and Eastern make these high quality pinion shafts from high quality aircraft alloy steel. They are the finest on the market and are used by the worlds most famous engine builders. Highly recommended for High Performance engines.