Roush Performance
2005-2009 Mustang Pulley, High Boost Kit
Mustang Pulley Kit 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 Part #402863
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