Jon Steffen 1 #1 Posted March 9, 2012 i got a 8hp 4speed that need a idler pulley what is the shaft sike and the od of the pulley can anyone help Share this post Link to post Share on other sites
rmaynard 16,366 #2 Posted March 9, 2012 If you are referring to the drive belt idler, the mounting bolt is 3/8", and the OD of the pulley is 4". Share this post Link to post Share on other sites
bowtiebutler956 650 #3 Posted March 9, 2012 Yep, what he said. I just replaced mine. Matt :flags-texas: Share this post Link to post Share on other sites
