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.

Stainless Steel Bolt
Whipple Supercharger oil 250ml, AMSOIL 275AX 4.5L
Rotor seal shaft sleeve
Whipple 38mm Direct Drive Rebuild Kit
Whipple oil drain plug
Oil fill plug
Non-gear Side Rotor Bearing Set 