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 drive coupler steel pin 1"
Full rebuild kit Vortech Gen 1 V1, V2, Paxton Novi 1500 RACE, MARINE versions
Refurbished gear set fits M90, MP90, M112, MP112, M122, MP122
Replacement input shaft bearings STREET
Bearing Plate to Case Gasket 