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Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.5mm STD Bore 8.5:1 Dish Piston (Single Piston)

Unlock the full potential of your Subaru WRX STi with Manley's Platinum Series pistons. Engineered with 2618 alloy forgings, these pistons deliver superior strength and performance. The chrome moly wrist pins and moly skirt coatings ensure durability and reduced wear.

  • 2618 Alloy Forgings for superior strength and performance
  • Chrome Moly Wrist Pins for added durability
  • Exacting Ring Lands and Grooves for enhanced ring seal and power
  • Cam and Barrel Profiles for substantial power and gentle on cylinder walls

Join the ranks of professional engine builders and tuners who rely on Manley pistons for superior performance and durability.

Make Model Year Type
Subaru Impreza 2004 WRX STI
Subaru Impreza 2005 WRX STI
Subaru Impreza 2006 WRX STI
Subaru Impreza 2007 WRX STI
Subaru Impreza 2007 WRX STI Limited
Subaru Impreza 2008 WRX STI
Subaru Impreza 2009 WRX STI
Subaru Impreza 2010 WRX STI
Subaru Impreza 2010 WRX STI Special Edition
Subaru Impreza 2011 WRX STI
Subaru Impreza 2011 WRX STI Limited
Since 1966 Manley has been manufacturing race proven engine internals for the domestic and more recently sport compact performance markets. Their range of products include: cranks, pistons, rings and wrist pins, connecting rods, pushrods, drive and oil systems, cylinder head components and valves. Manley products are designed to satisfy the needs of racing’s top engine builders who demand the highest quality products available. As a result, Manley performance products can be found in a variety of vehicles, including OE supercars and record breaking street performance and race cars.
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