The Vortech 8-Rib Drive Upgrade (No Damper Pulley) improves belt traction and reduces slippage for supercharged 2005-2009 Ford Mustang GT applications. It converts the stock 6-rib configuration to a more durable 8-rib system, increasing reliability and power transfer under higher boost conditions.

Vortech 4FU116-005 Features:

• Converts factory 6-rib supercharger drive to 8-rib for improved grip and reduced belt slip
• Includes 3.48 in. 8-rib supercharger drive pulley
• Maintains OEM belt routing and supercharger alignment
• Compatible with 2005-2009 Ford Mustang GT 4.6L 3V engines equipped with Vortech supercharger systems

Vortech 4FU116-005 Notes:

• Intended for use on vehicles already equipped with a Vortech supercharger system
• Installation requires an OEM alternator pulley removal tool