Truett&Osborn Torque Monster crank shaft for Knukleheads 1940-1947 feature full weight flywheels with removable pinion and sprocket shafts as original, trued and balanced for cast pistons. Flywheel include forged and machined H-Beam connecting rod set of certified 4340 steel with multistage heat treatment and are fitted with Torrington Rollers, with alloy bearing retainer cages.
This is a very powerfull crank shaft