420/500/520 Primary 20% FULL BILLET Reduction

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  • Regular price $850.00
  • 2 available


GEARS IN STOCK

This is our 20% billet gear reduction for the 420/500/520 foot-shift and standard ES machines.

THIS REDUCTION IS FULLY BILLET, MEANING THE CLUTCH BASKET IS ALSO CUT FROM SOLID BILLET MATERIAL INSTEAD OF USING A LESS DURABLE STOCK CAST BASKET.

 *Add our "420/500/520 Master Kit" to your order to get everything necessary for a professional headache free install. The master kit is for the do-it-yourselfer and includes ALL the recommended extra parts. Includes stage 1 clutch springs, front output shaft seal, gasket maker and centrifugal clutch puller. The master kit can be found under the 420-520 sections and the "Parts" section of the website. 

*ES models will need an ES module to prevent electronic shift issues. ES modules are located in the 420/500/520 sections and "Parts" section of the site.

*DOES NOT FIT "DCT" (AUTO+ES) MODELS