Skip to main content

JE Pistons SUB STI EJ257 100mm Bore CR 8.5 KIT Set of 4 Pistons

Take your Subaru EJ257 engine to the next level with JE Pistons' forged racing pistons. With over 70 years of experience and industry-leading technology, JE Pistons are designed to perform at the top levels of all forms of motorsports.

This piston kit features a 100mm bore, 8.5:1 compression ratio, and an inverted dome/dish design. The kit includes four pistons, high-quality wrist pins, locks, and JE Pro Seal premium piston rings.

  • Fabricated from 2618 aluminum for high tensile strength
  • Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss
  • Skirt coating reduces friction and wear on piston skirts and cylinder walls
  • Accumulator groove helps reduce pressure from combustion gases, improving ring seal
Make Model Year Type
Subaru Forester 2008 Sports 2.5 XT
Subaru Impreza 2002 WRX
Subaru Impreza 2003 WRX
Subaru Impreza 2004 WRX
Subaru Impreza 2004 WRX STI
Subaru Impreza 2005 WRX
Subaru Impreza 2005 WRX STI
Subaru Impreza 2006 WRX
Subaru Impreza 2006 WRX Limited
Subaru Impreza 2006 WRX STI
Subaru Impreza 2006 WRX TR
Subaru Impreza 2007 WRX
Subaru Impreza 2007 WRX Limited
Subaru Impreza 2007 WRX STI
Subaru Impreza 2007 WRX STI Limited
Subaru Impreza 2007 WRX TR
Subaru Impreza 2008 WRX
Subaru Impreza 2008 WRX STI
Subaru Impreza 2009 WRX
Subaru Impreza 2009 WRX Premium
Subaru Impreza 2009 WRX STI
Subaru Impreza 2010 WRX
Subaru Impreza 2010 WRX Limited
Subaru Impreza 2010 WRX Premium
Subaru Impreza 2010 WRX STI
Subaru Impreza 2010 WRX STI Special Edition
Subaru Impreza 2011 WRX
Subaru Impreza 2011 WRX Limited
Subaru Impreza 2011 WRX Premium
Subaru Impreza 2011 WRX STI
Subaru Impreza 2011 WRX STI Limited
Subaru Impreza 2012 WRX
Subaru Impreza 2012 WRX Limited
Subaru Impreza 2012 WRX Premium
Subaru Impreza 2012 WRX STI
Subaru Impreza 2012 WRX STI Limited
Subaru Legacy 2010 2.5GT
Subaru Legacy 2011 2.5GT
JE Pistons manufacture forged pistons for a wide range of vehicles, from street cars to racecars. Custom pistons can be made by JE to fit any application, so this makes them highly desirable for a custom or race setup. Top engine builders in NASCAR, ALMS, and NHRA use JE Pistons. By using state-of-the-art CNC machining and purpose-designed forgings, JE can match tolerances to within a millionth of an inch, making them a top choice for race engines that require extreme precision.
Reviews for “JE Pistons SUB STI EJ257 100mm Bore CR 8.5 KIT Set of 4 Pistons”

Average rating of 0 out of 5 stars