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Home » Search Products by Vehicle » 2009 & Newer Cadillac CTS-V

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Product ID: LSA-LT4CrankPulleyRings
LSA & LT4 Crank Pulley Ring
LSA & LT4 Crank Pulley Ring
  (Enlarge)  

 

 Crank Pulley Ring

2009-2015 LSA Applications, 2016 & Newer LT4 Applications

These are the individual crank pulley rings used with our Interchangeable Crank Pulley Kit for the GM LSA and LT4 engine.  If you have our kit installed on your car, you can buy the rings separately for a quick and easy change to the boost level.

These crank pulley rings are precision-machined from billet aluminum on a CNC lathe to ensure exacting dimensions, no runout, and the proper groove shape for maximum belt engagement.  Each ring is black-anodized for long-lasting good looks and to provide the optimum surface for the ribbed side of the belt.  The ring dimensions shown are as measured from belt-surface to belt-surface.  These measurements do not include the flanges of the pulley.

In LT4 (CTS-V and ZL1) applications, pulley rings as large as 10.0" can be used without changing or relocating idler pulleys on the blower drive.  For LSA applications, no idler pulley changes are necessary when using the 8.60" & 9.10" pulley rings.  When using a 9.55” or larger ring in an LSA application, the crank idler pulley must be re-positioned for clearance.  We manufacture a billet pulley mounting bracket under PN MRB1000, which installs as a direct replacement for the original bracket, but optimizes the position of both the crank idler pulley and supercharger idler pulley.  This bracket can be used with the OEM idlers or our billet idlers, which offer durability, functional, and cosmetic upgrades.  The crank idler pulley replacement is available under PN MIP-63V, and the supercharger idler pulley is available under PN MIP-100V.  These items are listed elsewhere in this section.

 

Each ring size will require the appropriate supercharger belt.  If you have questions regarding belt size, please call or email (Sales@MetcoMotorsports.com) for assistance.

Please choose from the available sizes below.

The 8.60", 9.10", 9.55" and 10.0" pulley rings can be used on the 2016 & later LT4 applications using the appropriate Innovators West balancer, PN 8410.  Detailed boost data is not yet available.   

Note:  These crank rings can also be purchased in a 10-rib configuration for custom applications.  Please call or email for details on availability and pricing.

 
Price: $119.99

 
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