100 MM Double Bearing Idler Pulley Kit, 8 To 11 Rib 63-1579 Please make sure you're purchasing

Please make sure you're purchasing the right course before checking out

Combo is not working as intended

while the construction is designed to handle daily use with ease

1x Black anodized 1/8" NPT sensor port plug

Each and every PSI spring begins with wire that is made from the highest quality Chrome-Silicon alloys

100 MM Double Bearing Idler Pulley Kit, 8 To 11 Rib 63-1579 Please make sure you're purchasingThis 100 mm diameter idler pulley can be used to correct belt length when changing supercharger pulleys or harmonic balancer sizes on the C6 ZR1 LS9, Cadillac CTS V or Camaro ZL1 supercharged engine. This idler can also be used for many other supercharged engine applications.