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Agency Power Under driven Crank Pulley Mazda RX8 03+
Part Number:AP-RX8-130 Retail Price: $160.00  Qty:
Agency Power Under driven Crank Pulley Mazda RX8 03+
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Quicker throttle response, increased horsepower, and improved drivability are just some of the characteristics the all new Agency Power under drive pulley kit offers for the Mazda RX8. Our lightweight and under driven pulley is CNC machined 6061 aluminum. The pulley is anodized in Brilliant Blue or Silver Bright Dip. The Agency Power logo is laser engraved for a stylish finish. Each pulley is made to factory specs to give perfect drivability and fitment.

The pulley is roughly 20% reduced from the factory component. By having a lightweight and under driven pulley, it will offer much needed throttle response and increase of about 9HP (See Dyno Sheet). Each pulley includes new hardware for a bolt on installation and brand new belts for a perfect fit.


All Agency Power products come with a LIMITED LIFETIME warranty when you fill out this form HERE.
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Customer Product Reviews:
5 of 5 Stars Posted on 02/01/2011 by by Jesse Aumiller
"After purchasing this pulley, the installation had positive effects on the 4-6k rpm range, especially in the first 3 gears. You could definitely feel a bit more power and for the ~ $150 it is a worthy upgrade. Installation only takes about an hour at the most. After installation be sure to reset your eccentric shaft profile via the 20 brake tap reset or by disconnecting your battery for about 10 minutes. If you don't do this you will most likely recieve a CEL (Check Engine Light). Delivery time for the pulley was extremely short (about 3 days). I ordered the pully on a Friday around 4:30pm and had the pulley by the next Wednesday, and that was to Canada! Jesse A."