Wiseco 90-93 Polaris 350 Trail Boss 3189TD Piston

SKU: WIS639M08100

Powersports Piston and Ring Kits

WIS Powersports Single Pistons...

Wiseco

Wiseco 90-93 Polaris 350 Trail Boss 3189TD Piston

SKU: WIS639M08100

Powersports Piston and Ring Kits

WIS Powersports Single Pistons...

Sale ends in Calculating... Sun 18 Oct, 5:09 pm AEST

IN STOCK! Est Ship 3-5 Days days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

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Description

Wiseco's legacy is rooted in 2-stroke piston manufacturing and performance, dating over 80 years ago back to 1941. Today, Wiseco 2-stroke pistons are the result of decades of experience, incorporating the latest in 2-stroke piston manufacturing and design to deliver the performance Wiseco built its name on.

Product Overview

Wiseco 90-93 Polaris 350 Trailboss 3189TD Piston

Product Details

Description:	Wiseco 90-93 Polaris 350 Trailboss 3189TD Piston
Part Number:	wis639M08100

Part Type

Engine Piston

Data: v4.2 - Upd: 2026-10-17 16:11:13

Features

Dedicated forgings and additional lightening operations allow for optimized strength-to-weight ratio
Designed and built for each specific 2-stroke powersports engine
Engineered, forged, and machined in the USA in Mentor, OH
Improved tensile strength of forged material optimizes strength and service life
Includes high-quality piston ring(s), wrist pin(s), and circlips

Specifications

Product Attributes - Brand: Wiseco
Product Attributes - Manufacturer's Part Number: 639M08100
Product Attributes - Part Type: Powersports Piston and Ring Kits
Product Attributes - Product Line: Wiseco Powersports Piston Kits
Product Attributes - UPC: 00193564123800
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Bore (mm): 81.000mm
Product Attributes - Stroke: 70.00mm
Product Attributes - Wrist Pin Style: Floating
Product Attributes - Wrist Pin Retainers Included: Yes
Product Attributes - Top Ring Material: Steel
Product Attributes - Top Ring Facing Material: Gas nitrided
Product Attributes - Second Ring Material: Cast iron
Product Attributes - Second Ring Facing Material: Cast iron
Product Attributes - File Fit: No
Product Attributes - Gapless: No
Product Attributes - Gaskets Included: No
Product Attributes - Quantity: Sold as a kit.

Reference Information

Brand Name/s	Wiseco
StreetFX SKU	wis639M08100
SFX Item ID	4064704
Supplier Item Code	4064704
Manufacturer SKU	639M08100
Manufacturer UPC	193564123800
Alternative References	3189TD