Blow-By Racing 2.57 Supercharger Pulley &
90mm Billet Aluminum Pulley
This Kit allows you to reuse your stock belt and gain that extra 4 psi you have been looking for. We have seen as much as 60 HP & 50 lbs of TQ from our Dyno Teasting - on average we see 25 Hp and 40+ lbs TQ.
SCT & Diablo Custom Tuning not included & a custom tune is required.
***FYI: This pulley will NOT fit the TVS Roush Superchargers***
Note: 2005-2008 Roush cars or kit bought in those Years will have a Bolt-on style pulley with a key way.
2009 + Roush cars and kit bought in 2009 to current have the new press-on style pulley.
FREE SHIPPING in the Continential US
** If shipping charges apear during checkout; we will adjust the transaction before charging. FREE SHIPPING **
The X3 arrives Pre-Loaded with DYNO Proven tune files that INCREASE HORSEPOWER, TORQUE and EVEN FUEL MILEAGE! The NEW X3 stores up to 3 Custom Tune files which can be loaded by any of SCT's Custom Tuning Dealers World Wide! With a HUGE Back-lit display, the SCT X3 Power Flash makes it EASY to read the Built-In Data Logging or Real Time Monitored Vehicle Data, view popular sensor data such as EGT, Air / Fuel Ratio or any other 0-5 Volt source!