Description
Mercruiser 575 SCi 256 Holley, Weiand, or B&M replacement idler pulley bearing. Fits inside 848091T.
If you need assistance in replacing this, please send it in to JB Performance. We can complete the replacement for less than 0.10 in labor.

Oil fill plug
Holley, Weiand, B&M Supercharger G2 drive snout gasket
Replacement drive coupler steel pins 1.5"
Weiand, Holley, B&M drive snout rebuild kit, G2 