2.49 Roush M90 Keyed SC Pulley +3-4PSI

Your Price: $174.99

Part Number: VMP249K

Quantity

Description

VMP new 2.49"" Roushcharged M90 Blower Pulley for 05+ Mustang 4.6L 3V with Roush Blower that uses bolt on style pulley. Use of larger idler pulley recommended.

New smaller design adds approximately 1/2-3/4lb of boost OVER the 2.57 pulley and 10hp/10tq, no tuning or other changes required. Adds 1-2psi more boost than the aftermarket pulley from Roush Performance. Tuning required.