JE Pistons
JE Pistons Polaris RZR XP900 Piston Single
SKU: J001 306374S
Description
Part #: 306374S
As the leader in forged racing pistons, JE Pistons has applied over 75 years of experience to its carefully developed line of premium forged pistons for UTV engines. Engineered, forged and machined 100% in the USA, JE Pistons are designed for each specific engine and use application to provide the ultimate combination of durability and performance. Covering all popular models like Can Am Maverick X3, Polaris RZR, and more from closed course to open trail, JE Pistons performance has been proven to thrive in the high-load environments of UTV engines. Equip your SxS with the best in forged pistons.
Features:
- Forged in the USA using 2618 aluminum, yielding high tensile strength needed for high-demand performance applications
- Designed specifically for each engine and use application to provide optimized performance durability
- Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
- Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
- Made 100% in the USA
JE, Polaris, RZR XP 900, 12.00:1, 3.780 in. Bore, Single Piston
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
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Specifications
| Brand | JE Pistons |
| Part Number | J001 306374S |
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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