High Performance Billet Idler/Tensioner Pulley, for Electric Water Pumps

Works the best on high horsepower applications with electric water pump. 

• Precision machined billet aluminum pulley:  3-3/16" in diameter.
• Guaranteed to be perfectly round and flat, unlike the polymer or stamped metal idlers
  
• Oversized high RPM bearings
• The side flanges measure 0.225" tall
• Available in the natural CNC machined finish or Black anodize finish