76mm stroke 36mm journal dia crankshaft

$149.95

There are no performance rods for the stock duromax crankshaft. Use this crank to turn your 500cc into a 527cc! This crank uses the gx390 rods and flywheel. Pair this with are 4.41 rod and a little machine work to the small end of the arc rod to make a wild race engine! Output shaft is 1’’

There are no performance rods for the stock duromax crankshaft. Use this crank to turn your 500cc into a 527cc! This crank uses the gx390 rods and flywheel. Pair this with are 4.41 rod and a little machine work to the small end of the arc rod to make a wild race engine! Output shaft is 1’’