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Wiseco Piston Kit K598M995AP 99.50mm for 04+ Subaru WRX STI EJ257

by Wiseco
Original price $815.99 - Original price $815.99
Original price
$815.99
$815.99 - $815.99
Current price $815.99

Engine Piston Kit Model or Series: Professional Series
Year: 2004-Up
Make: Subaru
Model: WRX STi
Engine: 2.5L 4cyl (EJ255, EJ257)(16V)
Bore: 99.50mm Bore
Stroke: 79.00mm Stroke
Rod Length: 5.137"
Compression Height: 1.209"
Crown Volume: -19cc
Weight: 379g
Pin Diameter: 23.00mm Pin
Piston Material: Forged
Ring Lands: 1.2, 1.5, 2.0mm
Top Ring Type: Gas-Nitrided Alloy Steel
Second Ring Type: Phosphate-Coated Cast Iron
Oil Ring Tension: Standard Tension
Skirt Type: ArmorGlide coated
Quantity: Sold As Kit (for 4 cylinder)


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.