Description
Replacement Gates idler pulley.
- 6 rib
- Grooved with flange
- 3.5″ OD
- 17mm ID
- Zero offset
Confirmed to fit Whipple Supercharger kits:
2000-2006 Chevy/GM 5.3L/6.0 2300AX.
99-03 GMC based LS truck engines with side mounted Whipple 2300AX Superchargers. This idler is mounted next to the supercharger tensioner.

Also fits 2300AXO style as well.

TRD/Magnuson/Kazuma 4.5L Dayco Supercharger Belt, 6 rib 