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.

Mercruiser 575 SCi 256 Weiand, Holley, B&M spring shoulder bolt
Front Drive Snout Seal
Weiand, Holley, B&M drive snout rebuild kit, G2
Mercruiser 525/575 SCi 256 Weiand, Holley, B&M idler Tensioner Arm Assembly Black 10 Rib 841271 / 6080WND
Drive snout idler pulley bearing 848091T
Mercruiser 525/575 SCi 256, Weiand, Holley, B&M Idler Tensioner Pulley Blue 10 Rib 848091T / 6899 