Ribbed idler kit for new style VMP 8 & 10-rib kits. Included with full 8 & 10-rib kit packages Includes: 76 mm ribbed billet aluminum idler pulley with black annodize and 6204-2RS bearing 20 mm ID ( VMP-76-10-20-RB) Idler standoff for front cover idler...

Ribbed idler kit for new style VMP 8 & 10-rib kits. Included with full 8 & 10-rib kit packages Includes: 76 mm ribbed billet aluminum idler pulley with black annodize and 6204-2RS bearing 20 mm ID ( VMP-76-8-20-RB) Idler standoff for front cover idler...

Included in this kit are 3 of our 90mm idlers, which are a direct replacement for the factory 90mm idlers. When using this kit you replace the factory stamped steel idlers with robust billet aluminum idlers that aren't prone to cracking/exploding like...

A great upgrade to the factory idler pulley, the VMP 90 mm idler pulley uses a factory size and brand NSK heavy-duty bearing. When the proper sized bearing is used, the need for double bearings is eliminated.

A great upgrade to the factory idler pulley, the VMP 75 mm idler pulley uses a factory size and brand NSK heavy-duty bearing. When the proper sized bearing is used, the need for double bearings is eliminated.

Service part Special small billet aluminum 6-rib idler pulley for Odin and Gen3R no-grind FEAD, fits boomerang bracket VMP-ODT001 and bomber bracket (6-rib version) VMP-SUT010/ VMP-SCI000. Uses 6203 bearing.

This is a very special idler. It uses a high speed double row bearing to handle abuse in the worst conditions. Use it between the supercharger and crank to prevent belt walking. Use it on the end of tensioners. It is light weight while still taking all...

58 MM diameter x 1.5" wide heavy duty idler for 10-rib belts This is a replacement idler for VMP 8/10 rib kits. This is an upgrade idler for standard street style no-grind FEAD on VMP Odin and VMP Gen3R kits. May be used on GT500 tensioners to affect...

58 MM diameter x 1.375" wide heavy duty idler for 6 and 8-rib belts This is a replacement idler for VMP 8-rib kits. This is an upgrade idler for standard street style no-grind FEAD on VMP Odin and VMP Gen3R kits. Hard black anodize 17 MM bearing bore 14...

For late 2008/2009 Roush changed the type of pulley on their Stage 3 cars and M90 Roushcharger blowers, VMP now offers a pulley that fits! The old pulley was a keyed type held on by a bolt, these blowers can be identified by their straight ribs on the...

VMP Performance 05-08 Ford Mustang 4.6L 2.49in Roush M90 Keyed Pulley & 90mm Idler Pak

The VMP 100 mm idler pulley is designed to reduce belt slack and increase supercharger pulley belt wrap when utilizing a smaller supercharger pulley.