| Additional Information All new transmission gear shaft forged. Center Shaft made to a tolerance of + - .0005. This shaft is critical in making sure the transmission is in alignment to the crankshaft. Made of 4140 and heat treated to 305 -320 birnell Questions and Answers There are currently no questions for this item. To ask a question about this item please press and fill out the form. Customers Who Bought This Item Also Bought | |