Buddy Club P1 Crank & AC Pulley Kit Civic Si 06-11 (K20Z3)

The Buddy Club P1 Crank & A/C Pulley for 2006-2011 Honda Civic Si w/ k20z3 motor. This underdriven / race pulley kit helps free up power by being a lightweight simply changing the ratios at which things turn on the crankshaft pulley and accessories via the accessory belt. When you manipulate this you can reduce the parasitic drag that is placed upon the motor to provide power to all the extra accessories. Thus freeing up the horsepower. This creates a more rev happy, quicker throttle response from down low to high. Dynos have show 8hp gains and 7lb/ft of tq. This kit comes with everything needed include the 7-rib belt. You can easily install this yourself, as long as you have the proper tools and air guns / break bar and honda crankshaft key. Installation can be done in 1-2 hours. Fitment: 06-11 Honda Civic Si fa5 / fg2 / coupe or sedan Gains: +8hp / 7lb/ft torque Part #: BC05-P1PK20Z3-A