Billet Pro Shop Engine Pulleys

GT500 alternators are prone to failure; high revs are the main culprit. These units were designed to spin at a maximum of 17 to 18000 RPM. Since th...

This kit is for a complete replacement of all idlers on 2007-2014 GT500’s. All pulleys are hard black anodized to ensure a durable and long lasting...

This idler is a direct replacement for Ford Part # 7R3Z8678A. Our pulleys are hard black anodized to ensure a durable and long lasting finish. They...

Spinning your alternator passed the factory limit often leads to failure. Extend your alternator’s life by reducing its maximum RPM while maintaini...

 This idler is a stock size replacement for the steel GT500 Thump Tensioner pulley. Our pulleys are hard black anodized to ensure a durable and lon...

CNC machined from 6061-T6 aluminum, heavy-duty double sealed bearing is precision-fit into the bore. This pulley will insure a better belt wrap thu...

 Newly designed bracket for the 4.0L Whipple. CNC machined from aerospace grade aluminium, heavy-duty double sealed bearing is precision-fit into t...

his idler is a direct replacement for Ford Part # 7R3Z8678B. Our pulleys are hard black anodized to ensure a durable and long lasting finish. They ...

This idler is a direct replacement for Ford Part # 4G7Z6C348AA. Our pulleys are hard black anodized to ensure a durable and long lasting finish. Th...

Billet 100mm replacement for the two idlers on the factory bridge bracket of the 2003-2004 SVT Cobra. Will also fit F-150 lightnings. Features: CN...

This idler is a direct replacement for Ford Part # YW7Z8678AA. Our pulleys are hard black anodized to ensure a durable and long lasting finish. The...

BPS supercharger pulleys are stock look and made of high grade steel.Precision machined borePress fit just like OEMMachined to OEM specsAll pulleys...

This idler is a direct replacement for Ford Part # XR3Z8678BA. Our pulleys are hard black anodized to ensure a durable and long lasting finish. The...

This idler is a stock size replacement for Ford Part # 7R3Z8678A. Our pulleys are hard black anodized to ensure a durable and long lasting finish. ...

Spinning your alternator passed the factory limit often leads to failure. Extend your alternator’s life by reducing its maximum RPM while maintaini...

This idler is a direct replacement for Ford Part # 7R3Z8509A. Our pulleys are hard black anodized to ensure a durable and long lasting finish. As m...