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.

Replacement input shaft bearings Vortech V1, V2, V3, V3R, V4, V7, Paxton Novi 1200, 1220, 1500, 2200, 2200HD RACE
Holley, Weiand, B&M Supercharger G2 drive snout gasket
Pulley key 