Triumph / BSA Crankshaft Main (Ball) Bearing (1) - 70-1591 - Choose Bearing Type 70-3586 Replaces Triumph T100 & T120

Replaces Triumph T100 & T120 models from 1968-1970

Tiger & T100C) from 1966-1974

Some included is the 3TA

New BSA Singles Bronze Small End Connecting Rod Bush

*****Please check your Thread Pitch on your Alternator Mounting studs to ensure that this Part is Correct for your Application

Triumph / BSA Crankshaft Main (Ball) Bearing (1) - 70-1591 - Choose Bearing Type 70-3586 Replaces Triumph T100 & T120Today we would like to offer you new RHP crankshaft ball bearings for both Triumph & BSA twins. To be clear, we offer 2 types of ball bearings with the CN & C3 racing for 2 different applications both bearing measure the same @ 1. 1250" (ID), 2. 8125" (OD) & . 8125" (wide) "C3" crankshaft ball bearings fitted to Triumph 650 unit twins on both the drive side and timing side from 1963 1965 and also Triumph 500 & 650 pre unit twins on both sides. BSA A50