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wisK598M995AP
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WISECO K598M995AP
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Wiseco Sport Compact Piston and Ring Kits K598M995AP

Wiseco Sport Compact Piston and Ring Kits K598M995AP

Regular price $815.99 USD
Regular price Sale price $815.99 USD
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14 in stock

Product Description

Born over 80 years ago from the passion for racing, Wiseco is a world leader in manufacturing high-performance, forged pistons for the motorcycle, automotive, ATV, snowmobile, personal watercraft, and outboard marine markets. The Wiseco crew shares the same level of dedication to motorsports as their customers and are focused on continually refining the quality and practices it takes to exceed expectations. Engineered, forged, and machined on cutting-edge equipment in the U.S. at Wiseco?s Mentor, Ohio manufacturing facility, Wiseco pistons are the undisputed leader in quality and performance. Wiseco Performance Products, built for racers, by racers.

Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than any other part in your engine, with less internal and external machining. Wiseco's advanced forging process and extensive heat-treating and finishing processes ensure the performance and reliability that you demand from your engine. These kits' crown thickness and ring lands are designed for power-adders like turbos and blowers and nitrous oxide. They come complete with high-quality piston rings. Whether you're on or off of the street, you can depend on the maximum strength and minimum variance of Wiseco's aluminum-forged pistons for your sport compact vehicle. Choose the kit recommended for your make and engine application.

Extended Description

  • Wiseco Sport Compact Series Piston Kit, Subaru EJ257 WRX/STI 4v Dish -19cc 99.50

Application Summary

Subaru EJ257 2.5L 16V

Part Type

Engine Piston Set

Overview

Brand Wiseco
Notes Fits EJ257 and WRXEJ255 engines.
Stroke 3.110 in.
Gapless No
File Fit No
Quantity Sold as a kit.
Bore (mm) 99.500mm
Part Type Pistons
Bore (in.) 3.917 in.
Rod Length 5.137 in.
Piston Style Dish, with four valve reliefs
Product Line Wiseco Sport Compact Piston and Ring Kits
Piston Material Forged aluminum
Wrist Pin Style Press-fit or floating
Oil Ring Tension Standard
Oil Ring Material Chrome plated carbon steel
Top Ring Material Steel
Oil Ring Thickness 2.0mm
Pin Diameter (in.) 0.905 in.
Top Ring Thickness 1.25mm
Wrist Pin Included Yes
Second Ring Material Cast iron
Piston Rings Included Yes
Second Ring Thickness 1.5mm
Piston Head Volume (cc) +19.00cc
Compression Height (in.) 1.209 in.
Top Ring Facing Material Gas nitrided
Manufacturer's Part Number K598M995AP
Second Ring Facing Material Phosphate coated
Wrist Pin Retainers Included Yes
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