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Snyder Performance Engineering


SPE 2020+ GT500 Fixed Aux Idler

SPE 2020+ GT500 Fixed Aux Idler

The SPE 2020+ GT500 Fixed Aux Idler consists of a precision¬†CNC machined billet aluminum bracket, and extreme duty double ball bearing black anodized idler pulley. The Fixed Aux Idler bolts to existing bolt bosses on the vehicle's supercharger snout and locates the pulley just to the left of the supercharger pulley, maximizing belt wrap and eliminating slippage. Designed to work in conjunction with the SPE GT500 blower pulley system. Perfect to pair with 2.6‚ÄĚ and smaller blower pulleys. No modifications to the vehicle are necessary.¬† The idler assembly ships fully assembled, and the required fasteners and illustrated installation instructions.

For Applications that require more adjustment SPE offers an adjustable idler as well.


  • CNC Billet aluminum bracket
  • Stainless Hardware
  • Billet Aluminum Idler pulley
  • Nachi dual hi speed bearings
  • Up to 270 degrees of belt wrap
  • Helps eliminate belt slip
  • Simple installation
  • No modifications