Fitments
36-47 61" (1000cc) Knuckle; 48-52 61" (1000cc) Panhead; 37-48 74"/80" Flatheads (NU)
Part Description
JIMS, 36-52 crankpin. STD
Standard O.D. 1.249". 1-hole design for stock flywheels. Use JIMS 978250 crankpin nuts and 978618 woodruff keys. Repl. 23962-40.