DESCRIPTION
Works with OEM, TAPP, or STM primaries. All-billet secondary with finned housing to increase airflow and reduce belt/clutch temperatures. Features improved belt grip, STM triple-roller for consistent up/back shifts, and better engine braking. Ships fully assembled with secondary spring, helix set to EVP calibrations, and installation hardware. Additional spring rates and helix angles available from STM.
- All-billet construction
- Finned design for increased airflow and lower temps
- Included secondary spring and helix
- Optional spring rates and helix angles from STM
For best results pair with EVP-spec TAPP primary calibrations: Available here.
FITMENT
2020 Polaris RZR Pro XP Models
STM WARRANTY
STM POWERSPORTS WARRANTY & RETURN POLICY (FOR STM CLUTCHING COMPONENTS)
Seller warrants products will conform to written specifications for 90 days from original purchase. Seller's sole remedies are repair, replacement, or refund. Buyer must notify Seller in writing during the 90-day Warranty Period.
Buyer pays shipping to Seller for inspection; Seller pays return shipping if claim is accepted. Liability is reduced where any of the following apply:
- Product not maintained per Seller's or manufacturer's specifications.
- Failure, malfunction, or damage from improper handling, storage, installation, maintenance, removal, modification, or repair.
- Non-conformity caused by casualty, abuse, or improper use.
- Product altered other than by Seller or without Seller's written approval.
- Product installed, used, or configured other than contemplated in the Supply Agreement or used in a location not contemplated by the parties.
- Product used, operated, or connected with third-party goods or software not specified in Seller's documentation.
- Failure resulting from a design or specification supplied by Buyer. Seller does not warrant electrical components, normal wear, or conditions from misuse, abuse, negligence, accident, improper application, installation, or alteration.
Primary and secondary clutches found defective in material or manufacture will be replaced at no charge within 90 days of purchase. Racing applications are excluded. Warranty claims require return in original packaging. A $75.00 inspection fee applies.
Seller will determine cause of failure and premature wear. Buyer is responsible for shipping alleged failed components to Seller for inspection. Warranty excludes vehicles altered with engine performance enhancements beyond original equipment design. Electrical components (e.g., switches, ignition coils, CDI boxes, chips, regulators) are not covered and cannot be returned once installed or powered. Seller's determinations regarding wear or misuse are final.
All warranty claims are handled by Seller. Contact Seller for return authorization. Removal, reinstallation, pickup, and delivery costs are the Buyer's responsibility. Retail customers must provide proof of purchase within 90 days to qualify.
ALL RETURNS FOR WARRANTY MUST BE PRE-APPROVED WITH AN RETURN AUTHORIZATION NUMBER DISPLAYED ON THE BOX. PRODUCT MUST BE RECEIVED WITHIN 10 DAYS OF DATE RETURN AUTHORIZATION IS ISSUED.
Manufactured by Evolution Powersports. Official specs and resources: EvoPowersports.com.
Product Disclaimers | Installation Instructions | Terms and Conditions
