High Boost Pressure Pulley - 2005-2009 Mustang

• Add an additional 15 hp to your 2005-2009 Mustang ROUSHcharger® (part #401420 and #401981)
• 73mm pulley
• Requires PCM re-calibration
• Kit includes pre-paid overnight FedEx box to mail in your PCM chip with
• Once received, your PCM chip will be updated and sent back to you overnight

Add 15 more HP to your ROUSHcharged^TM Mustang with the ROUSH 73mm pulley kit.

This pulley replaces the standard ROUSHcharger^TM pulley found on the older 415HP ROUSHcharger^TM kit (401420 & 401981).

Kit comes with 73mm pulley, installation instructions, and pre-paid overnight FedEx box for calibration shipment. We will re-calibrate your PCM and ship it back to you overnight.