Converts factory 4-rib AC clutch pulley to 6-rib on '18+ F-150 using TVS style supercharger kits such as VMP Odin, Loki and Roush.

Includes new idler pulley, magnet, and face.

Must be properly shimmed when installed, air gap must be .020"-.025"

*18+ F-150 AC clutch and front cover are a unique design. This AC clutch pulley is not compatible with Mustang

Complete conversion to the 6-rib drive requires a new harmonic balancer.