CP Pistons Piston Sets -4 Cyl (SC7423-4)

CP Pistons SC7423-4 Piston Sets -4 Cyl - CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size ( 1.0mm) - CR (8.2) Set of 4 for a 2004-2012 Subaru Impreza WRX STI, 2007-2012 Subaru Impreza WRX STI Limited and 2010-2010 Subaru Impreza WRX STI Special Edition.

Image(s) for display purposes only. Actual product may vary.

Manufacturer: CP Pistons

Product: CP Pistons Piston Sets -4 Cyl

Part Number: SC7423-4

$885.15

Coupon Code:OGSavings

Free Shipping (Continental US)

New with manufacturer warranty

Availability: IN STOCK - LOW
WAREHOUSE (East: 1 | Midwest: 1)
Generally ships within 1 business day.

Have a question regarding this product? Contact us.

Fitment:

NOTES: CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) Set of 4

Years	Make	Model	Trim
2004 - 2012	Subaru	Impreza	WRX STI
2007 - 2007	Subaru	Impreza	WRX STI Limited
2010 - 2010	Subaru	Impreza	WRX STI Special Edition
2011 - 2012	Subaru	Impreza	WRX STI Limited

Description:

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) Set of 4

Other 2004-2012 Subaru Impreza Piston Sets - Forged - 4cyl:

Manley Performance Piston Sets -4 Cyl 622102C-4

Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 99.75mm +0.25mm Bore 9.8:1 Dish Piston Set with Rings

IN STOCK (3)
SHIPS FROM MANUFACTURER
(Last checked: 02/16/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

2010-2010 Subaru Impreza WRX STI Special Edition
2011-2012 Subaru Impreza WRX STI Limited
2007-2007 Subaru Impreza WRX STI Limited
2004-2012 Subaru Impreza WRX STI
2009-2012 Subaru Impreza WRX Premium
2010-2012 Subaru Impreza WRX Limited
2006-2007 Subaru Impreza WRX Limited
2006-2012 Subaru Impreza WRX
2006-2007 Subaru Impreza WRX TR

Manley Performance Piston Sets -4 Cyl 621002C-4

Manley 04+ Subaru WRX STi (EJ257) 75mm DE-STROKED 99.75mm +.25mm Bore 8.5:1 Dish Piston Set w/ Rings

IN STOCK (2) - LOW
SHIPS FROM MANUFACTURER
(Last checked: 02/16/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

Manley Performance Piston Sets -4 Cyl 622005C-4

Manley 04+ Subaru WRX STi (EJ257) 83mm Stroker 100mm +0.5mm Bore 8.5:1 Dish Piston Set with Rings

IN STOCK (2) - LOW
SHIPS FROM MANUFACTURER
(Last checked: 02/16/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

JE Pistons Piston Sets -4 Cyl 291060

JE Pistons SUB STI EJ257 Block w/ EJ20 Head 100mm Bore CR 8.5 KIT Set of 4 Pistons

IN STOCK - LOW

2007-2007 Subaru Impreza WRX STI Limited
2004-2008 Subaru Impreza WRX STI
2006-2007 Subaru Impreza WRX Limited
2002-2008 Subaru Impreza WRX
2002-2004 Subaru Impreza TS
2002-2005 Subaru Impreza RS
2005-2008 Subaru Impreza Outback Sport
2002-2004 Subaru Impreza Outback
2006-2008 Subaru Impreza 2.5i
2006-2007 Subaru Impreza WRX TR

Manley Performance Piston Sets -4 Cyl 621105C-4

Manley 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: 02/16/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

CP Pistons Piston Sets -4 Cyl (SC7423-4)

Fitment:

Description:

Related Links:

Other 2004-2012 Subaru Impreza Piston Sets - Forged - 4cyl: