Want to modify or upgrade your 2004-2007 Subaru Impreza WRX STI with aftermarket forged piston sets? At OGTuners.com we have a great selection of aftermarket performance parts for your Subaru Impreza. We have 54 forged piston sets parts available in our store with free shipping to the Continental US.
JE Pistons Piston Sets -4 Cyl
 $899.99 291061JE Pistons SUB STI EJ257 99.5mm Bore CR 8.5 KIT Set of 4 Pistons IN STOCK 2004-2012 Subaru Impreza WRX STI |
 $899.99 291062JE Pistons SUB STI EJ257 100mm Bore CR 8.5 KIT Set of 4 Pistons IN STOCK 2004-2012 Subaru Impreza WRX STI |
 $899.99 291063JE Pistons SUB EJ257 83mm STR 99.5mm Bore CR 8.5 KIT Set of 4 Pistons OUT OF STOCK 2004-2012 Subaru Impreza WRX STI |
 $899.99 296348JE Pistons SUB STI EJ257 99.75mm Bore CR 8.5 KIT Set of 4 Pistons IN STOCK 2004-2012 Subaru Impreza WRX STI |
 $899.99 296352JE Pistons SUB EJ257 83mm STR 99.75mm Bore CR 8.5 KIT Set of 4 Pistons IN STOCK 2004-2012 Subaru Impreza WRX STI |
Manley Performance Piston Sets -4 Cyl
 $699.23 612000C-4Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.5mm STD Bore 8.5:1 Dish Piston Set with Rings IN STOCK 2004-2012 Subaru Impreza WRX STI |
$699.23 612002C-4Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.75mm +.25mm Bore 8.5:1 Dish Piston Set with Rings IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 11/04/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2004-2012 Subaru Impreza WRX STI |
$699.23 612005C-4Manley 04+ Subaru WRX STi (EJ257) STD Stroke 100mm +.5mm Bore 8.5:1 Dish Piston Set with Rings IN STOCK 2004-2012 Subaru Impreza WRX STI |
$699.23 612100C-4Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.5mm STD Bore 9.8:1 Dish Piston Set with Rings IN STOCK 2004-2012 Subaru Impreza WRX STI |
$699.23 612102C-4Manley 04+ Subaru WRX STi (EJ257) STD Stroke 99.75mm +.25mm Bore 9.8:1 Dish Piston Set with Rings IN STOCK 2004-2012 Subaru Impreza WRX STI |
$699.23 612105C-4Manley 04+ Subaru WRX STi (EJ257) STD Stroke 100mm +.5mm Bore 9.8:1 Dish Piston Set with Rings IN STOCK (2) - LOW SHIPS FROM MANUFACTURER (Last checked: 11/04/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2004-2012 Subaru Impreza WRX STI |
$699.23 621000C-4Manley 04+ Subaru WRX STi (EJ257) 75mm DE-STROKED 99.5mm STD Bore 8.5:1 Dish Piston Set with Rings IN STOCK (5) SHIPS FROM MANUFACTURER (Last checked: 11/04/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2004-2012 Subaru Impreza WRX STI |
$699.23 621002C-4Manley 04+ Subaru WRX STi (EJ257) 75mm DE-STROKED 99.75mm +.25mm Bore 8.5:1 Dish Piston Set w/ Rings OUT OF STOCK 2004-2012 Subaru Impreza WRX STI |
$699.23 621005C-4Manley 04+ Subaru WRX STi (EJ257) 75mm DE-STROKED 100mm +.5mm Bore 8.5:1 Dish Piston Set w/ Rings IN STOCK (2) - LOW SHIPS FROM MANUFACTURER (Last checked: 11/04/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2004-2012 Subaru Impreza WRX STI |
$699.23 621100C-4Manley 04+ Subaru WRX STi (EJ257) 75mm DE-STROKED 99.5mm STD Bore 9.8:1 Dish Piston Set with Rings IN STOCK (2) - LOW SHIPS FROM MANUFACTURER (Last checked: 11/04/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2004-2012 Subaru Impreza WRX STI |
$699.23 621102C-4Manley 04+ Subaru WRX STi (EJ257) 75mm DE-STROKED 99.75mm +.25mm Bore 9.8:1 Dish Piston Set w/ Rings IN STOCK (3) SHIPS FROM MANUFACTURER (Last checked: 11/04/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2004-2012 Subaru Impreza WRX STI |
$699.23 621105C-4Manley 04+ Subaru WRX STi (EJ257) 75mm DE-STROKED 100mm +.5mm Bore 9.8:1 Dish Piston Set w/ Rings IN STOCK (4) SHIPS FROM MANUFACTURER (Last checked: 11/04/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2004-2012 Subaru Impreza WRX STI |
$699.23 622000C-4Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 99.5mm STD Bore 8.5:1 Dish Piston Set with Rings OUT OF STOCK 2004-2012 Subaru Impreza WRX STI |
$699.23 622002C-4Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 99.75mm +0.25mm Bore 8.5:1 Dish Piston Set with Rings IN STOCK (1) - LOW SHIPS FROM MANUFACTURER (Last checked: 11/04/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2004-2012 Subaru Impreza WRX STI |
$699.23 622005C-4Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 100mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings IN STOCK (3) SHIPS FROM MANUFACTURER (Last checked: 11/04/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2004-2012 Subaru Impreza WRX STI |
$699.23 622100C-4Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 99.5mm STD Bore 9.8:1 Dish Piston Set with Rings OUT OF STOCK 2004-2012 Subaru Impreza WRX STI |
$699.23 622102C-4Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 99.75mm +0.25mm Bore 9.8:1 Dish Piston Set with Rings OUT OF STOCK 2004-2012 Subaru Impreza WRX STI |
$699.23 622105C-4Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 100mm +0.5mm Bore 9.8:1 Dish Piston Set with Rings IN STOCK (3) SHIPS FROM MANUFACTURER (Last checked: 11/04/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2004-2012 Subaru Impreza WRX STI |
Wiseco Piston Sets - 4 Cyl
 $732.99 K588M92Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 92mm Piston Shelf Stock Kit OUT OF STOCK 2004-2011 Subaru Impreza WRX STI |
 $732.99 K588M925Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 92.5 Piston Shelf Stock Kit OUT OF STOCK 2004-2011 Subaru Impreza WRX STI |