Jims
JIMS, 41-E81 crankpin. STD but 0.25" shorter
JIMS, 41-E81 crankpin. STD but 0.25" shorter
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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.
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