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GM LSA Idler Pulley Relocation Bracket
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GM LSA Idler Pulley Relocation Bracket

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Idler Pulley Relocation Bracket

2009 - 2015 Cadillac CTS-V, 2012 - 2015 Camaro ZL1

This precision-machined idler relocation bracket is designed specifically for the GM LSA application.  The bracket installs as a direct replacement for the original, but moves the Metco 50mm or 63mm crank idler pulley (bottom) away from the crank pulley to allow for drive rings larger than 9.55". Another important benefit is that the 100mm supercharger idler pulley's position (top) is optimized to improve belt wrap at the supercharger pulley, which is crucial in applications using a smaller-than-stock supercharger pulley.

No modifications are necessary for installation, and all necessary fasteners are included.

As shipped, the kit includes the bracket and fasteners only.  The bracket is intended for use with our 50mm or 63mm crank idler pulley and our 100mm supercharger idler pulley.  Please choose from the options below. 

Important Note for ZL1 Installations:  In some instances, the tensioner pulley on the accessory drive will interfere with the installation of this bracket.  The solution is to swap the tensioner pulley with the smaller diameter idler on the driver's side of the engine.  Installing this smaller pulley on the tensioner arm provides the necessary clearance for the bracket, and the installation of the tensioner pulley on the driver's side of the engine allows the retention of the existing accessory drive belt.

Note:  The pulleys offered as options with this bracket are also available separately and are listed elsewhere in this section.  However, there is cost savings associated with the purchase of the kit as shown here.


  • $289.97
  • Weight
    3 lbs
  • SKU
  • Add Crank Idler Pulley
    Add 50mm Crank Idler Pulley, Add 63mm Crank Idler Pulley
  • Add 100mm Idler Pulley
    I already have one and don't need another., Add 100mm Supercharger Idler Pulley
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