PLEASE WATCH THE VIDEO IF YOU NEED HELP CHOOSING YOUR OPTIONS!
This is a Larger Diameter STM Secondary for your Apex or Z1 conversion fits the Polaris RZR, XP-900, XP-1000 and Jagged-X...
Tuner Secondary clutch for RZR XP Turbo, Turbo-S, and Pro XP
All billet design, uses the STM Gen 1 ATV style helixes
Can be used with the stock primary or the billet Rage primary