---
product_id: 15728374
title: "WSM Performance 50-520-05PK Piston and Ring Kit"
brand: "wsm"
price: "873 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/15728374-wsm-performance-50-520-05pk-piston-and-ring-kit
store_origin: RO
region: Romania
---

# 0.50mm oversized precision fit 64.50mm bore for 347cc power Complete piston & ring kit for Yamaha YFZ350 WSM Performance 50-520-05PK Piston and Ring Kit

**Brand:** wsm
**Price:** 873 Lei
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade your Banshee’s heart with precision power!

## Quick Answers

- **What is this?** WSM Performance 50-520-05PK Piston and Ring Kit by wsm
- **How much does it cost?** 873 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/15728374-wsm-performance-50-520-05pk-piston-and-ring-kit)

## Best For

- wsm enthusiasts

## Why This Product

- Trusted wsm brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Comprehensive Kit:** Includes piston and rings for a seamless engine rebuild
- • **Legacy Compatibility:** Fits Yamaha YFZ350 models from 1987 through 2006—timeless reliability
- • **Lightweight & Compact:** Just 1.13 lbs and 4x4x4 inches for easy handling and installation
- • **Optimized Power Output:** 64.50mm bore tailored for the iconic 347cc Yamaha YFZ350 Banshee
- • **Precision Oversized Fit:** 0.50mm oversize ensures a perfect, performance-boosting seal

## Overview

The WSM Performance 50-520-05PK Piston and Ring Kit is a precision-engineered 0.50mm oversized kit designed specifically for the Yamaha YFZ350 Banshee (1987-2006). Featuring a 64.50mm bore size for the 347cc twin liquid-cooled engine, this lightweight, compact kit includes everything needed for a reliable engine rebuild, delivering enhanced sealing and optimized power output.

## Description

WSM Piston and Ring Kit 50-520-05PK 64.50mm 347cc Twin Liquid Cooled Yamaha YFZ350 Banshee 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006.

## Features

- Yamaha YFZ350 Banshee 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
- Part number: 50-520-05PK
- Package Weight: 2.0 pounds
- Compatible with vehicle type: ATV

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | WSM Performance |
| Brand | WSM |
| Model | Piston Kit - 0.50mm Oversized to 64.50mm |
| Item Weight | 1.13 pounds |
| Product Dimensions | 4 x 4 x 4 inches |
| Item model number | 50-520-05PK |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 50-520-05PK |

## Images

![WSM Performance 50-520-05PK Piston and Ring Kit - Image 1](https://m.media-amazon.com/images/I/51UIjVgpZ6L.jpg)

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---

*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-22*