Wiseco Honda CR85R 03-07 GP Series (838M04750) Piston

SKU: WISPK1588

Powersports Piston and Ring Kits

WIS Powersports Single Pistons

Wiseco

Wiseco Honda CR85R 03-07 GP Series (838M04750) Piston

SKU: WISPK1588

Powersports Piston and Ring Kits

WIS Powersports Single Pistons

Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Wiseco's GP Series forged 2-stroke pistons build on the tried-and-true base of the Pro-Lite. Wiseco GP Series 2-stroke pistons incorporate additional performance and durability enhancing features including an Electra-Coated crown, ring groove(s), and pin bores plus ArmorGlide skirt coating, making them perfect for endurance and sustained-RPM 2-stroke applications. From play riders putting in hard hours to consistent competition, GP Series 2-stroke pistons are up to the challenge.

Part Type

Engine Piston Set

Data: v4.2 - Upd: 2026-09-30 17:38:31

Features

ArmorGlife skirt coating reduces friction to optimize performance potential
Designed for endurance and sustained-RPM 2-stroke riding
Designed with optimized features for long service life and top-end power
Electra-Coated crown, ring groove and pin bore resists potential wear, combustion heat damages, and ring micro-welding
Engineered, forged, and machined in the USA in Mentor, OH
Extra lightening operations for enhanced throttle response
High-quality ring(s), wrist pin(s), and circlips included

Specifications

Product Attributes - Brand: Wiseco
Product Attributes - Manufacturer's Part Number: PK1588
Product Attributes - Part Type: Powersports Piston and Ring Kits
Product Attributes - Product Line: Wiseco Racers Choice GP-Series Piston Kits
Product Attributes - UPC: 00193564152824
Product Attributes - Piston Material: Forged aluminum
Product Attributes - Bore (mm): 47.500mm
Product Attributes - Stroke: 47.80mm
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: Yes
Product Attributes - Quantity: Sold as a kit.

Reference Information

Brand Name/s	Wiseco
StreetFX SKU	wisPK1588
SFX Item ID	4068471
Supplier Item Code	4068471
Manufacturer SKU	PK1588
Manufacturer UPC	193564152824
Alternative References	CR85R, (838M04750)