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.

8 bolt Carb/Lid gasket
Rear rotor plate G1 and G2
Holley, Weiand, B&M Supercharger gear case cover gasket
Holley, Weiand, B&M Supercharger G2 drive snout gasket
Rear rotor plate G1 and G2 Built
Mercury Marine, B&M, Holley, Weiand Rotor or pulley bolt
Tribodyn High Performance SAE 75W-90 Full Synthetic Gear Oil 