100 MM Double Bearing Idler Pulley Kit, 8 To 11 Rib 63-1579 Included with the Active Foam

Included with the Active Foam Cannon is a free 500ML bottle of YUM Foam - Our special pre-wash formulation makes this contactless treatment chemically perfect and most importantly

Low-profile design clears most long tube headers

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

and excellent chemical compatibility with engine oils

Ability to upgrade firmware for future sensor types

100 MM Double Bearing Idler Pulley Kit, 8 To 11 Rib 63-1579 Included with the Active FoamThis 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.