# Wiseco 94-00 Polaris 300 ATV (721M07550 2973TD) Piston

Premium materials produce the best sealing technology available exceeding O.E.M. standards. 2-Stroke: Wiseco top end gasket kit; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Race-proven designs; Chosen by top race teams, in all forms of racing; CNC machined; Optimal cam shape and profile for peak HP and service life; Premium top end needle bearing; Precision-machined, highest-quality materials for strength and reduced friction; High-performance ring set; Extended life and sustained power; Highest-quality alloy pin; Consistently true and durable. 4-Stroke: Wiseco top end gasket kit; Premium materials produce the best sealing technology available, exceeding O.E.M. standards; Dedicated forging; Superior strength/weight ratio utilizing Aerospace alloy; Dome design; Improved flame travel; Chrome plated piston pin; Horizontal slot pin oiling; Reduced friction/scuff resistant; Pressure seal groove; Maximum ring seal; Armor Glide Skirt-Coated available for select models; Dedicated Rings; Maximum compression and oil control.

-   Dedicated forging design for strength-to-weight optimization
-   Extra lightening operations for enhanced throttle response
-   Engineered, forged, and machined in the USA in Mentor, OH
-   High-quality ring(s), wrist pin(s), and circlips included
-   Refreshed performance from the track to the trail
-   Designed for all-purpose 2-stroke riding
-   Great value for reliable fun factor

This Part Fits:

Year

Make

Model

Submodel

1994-1995

Polaris

300 2x4

Base

1994-1995

Polaris

300 4x4

Base

1994

Polaris

Big Boss 300 6x6

Base

1995

Polaris

Trail Boss 300 2x4

Base

1995

Polaris

Trail Boss 300 4x4

Base

1996-2000

Polaris

Xplorer 300 4x4

Base

1996-1999

Polaris

Xpress 300

Base

## Details

- **Price:** 314.53 CAD
- **Vendor:** Wiseco
- **Type:** Piston Sets - Powersports

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 314.53 CAD | In stock |

## Images

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/wiseco-94-00-polaris-300-atv-721m07550-2973td-piston)
> Updated: 2026-07-14