Triumph Exhaust-Valve Guide T90/T100 1957-74 Unit motor only T90,3TA,T21.5T,T100A,T100C,T100RBSA C15 1959-1966replaces 40-133 Std. Made in England70-3208 iron not available.
Big End Bearing Metal backed bronce bushCon Rod Number BSA 40-48 BSA C15 1958-63 BSA C15S 1959-60 to engine No. C15S 2112 BSA C15T 1959-61 to engine No. C15T 1320
Alpha NOS
Length of pin: 56.5 mm Outer ring: 38.2 mm Width of outer ring: 3/4"-19 mmcrank pin 15/16" 23,8 mmPlease look at all pictures