Direct Performance Complete LSA Pulley Kit


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It’s no surprise the most popular modification to the second generation CTS-V are aftermarket supercharger pulleys. Change the upper pulley to a smaller size for increased boost, change the lower pulley to a larger size for even more boost. Changing the lower pulley requires an aftermarket harmonic balancer ATI 918854

In this kit you will get:

  • Choice of  ZPE upper pulley size

The Pulley is made from billet 7075-T6 aerospace grade aluminum. Stronger and harder than 6061 T6. This pulley is equipped with GripTec™ a micro machining technology. This technology allows the maximum grip force to be applied to the component and belt without damaging your belt. You wont have to worry about belt slip with GripTec™. Get the maximum performance out of your supercharger. Featuring our Exclusive GripTec™ V2 level grip,

  • Choice of LPE lower pulley size  

Larger lower pulley= more boost

  • Choice of Injector Dynamics Injectors

Choose from ID850, ID1050X or ID1300X

  • Gates HD belt 

Don’t worry about trying to find the right size belt, we will send you the right one depending on what pulleys you select!

  • ATI Harmonic Balancer

A crowd favorite in the CTS-V and ZL1 communities! The ultimate choice for performance and budget builds!

  • GM Crankshaft Bolt 

This bolt is torque to yield and should be replaced every time your harmonic balancer is removed.

Suggested accessories to compliment this package are listed at the bottom of the page!

Additional information

Upper Pulley Size

2.38, 2.45, 2.55

Lower Pulley Size

8.25, 8.66, 9.17, 9.55

Injector Dynamics

1050cc, 1300cc

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