Junior Race Car Billet Rod is for Modified Animal engines but can also be used in the World Formula, LO 206, 1/4 Midget engines.
It is 4.5" from center to center and fits the stroker crank with the .998" rod journal.
It uses a .490" wrist pin.
Must be used on engines with a deck extension attached to the top of the block (DECK) Must also use an aftermarket piston with a .490" wrist pin. Machining of the top of the piston and the deck is necessary to get the correct piston pop up.