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.

Gear Side Rotor Bearings
2X Pulley Keys
Replacement IHI 2.4L, 2.7L stainless steel drive pins
Magnuson, Magna Charger Saleen Series 2 MP90 G4 discharge gasket
Refurbished ceramic coated short shaft M62, MP62 Supercharger rotors
Seal Collar, Kenne Bell 3.6L, 4.0L, 4.2L
Front Rotor Seals 