JIMS JIMS, 41-E81 crankpin. STD but 0.25″ shorter

Description

JIMS JIMS, 41-E81 crankpin. STD but 0.25″ shorter

41-E81 B.T. (excl. 61″ Knuckle, 61″ Panhead & all Flatheads) (NU)

This special crankpin is identical to the JIMS 506870 crankpin but are ground shorter, -.025″ from taper to taper, for engine builders that prefer less connecting rod end play. Standard O.D. 1.2490″. 3-hole oil design. Use Jims 978251 crankpin nuts. Use Jims 978618 (Repl. 23985-18) woodruff keys. Custom replacement crankpin for OEM 23961-41.