Drivetrain› Clutches and Components

EPI

EPI 20+ Polaris RZR Pro XP/4/RZR Turbo R/4 Primary Spring Yellow

$46.16

SKU: E063 XPPS1

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The EPI Primary Spring PS-1 is a critical component for your CVT's performance. It allows for precise adjustment of clutch engagement characteristics, enabling consistent power delivery across the entire RPM band.

Constructed with CNC-engineered precision, this spring is made from premium materials and features a 5% tolerance consistency for reliable performance. It offers adjustable engagement tuning and optimizes RPM performance for improved power delivery.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandEPI
Part NumberE063 XPPS1

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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