Wiseco Piston Sets - 4 Cyl (K598M100)

Wiseco K598M100 Piston Sets - 4 Cyl - Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock Kit 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: Wiseco

Product: Wiseco Piston Sets - 4 Cyl

Part Number: K598M100

UPC: 193564447906

$732.99

Free Shipping (Continental US)

New with manufacturer warranty

Availability: OUT OF STOCK
ETA: 01/14/2026*
*This ETA can be pushed back depending on pre-orders before this date. Please contact us to confirm this ETA. I am willing to wait and that there will be extended wait time.

SPECIAL ORDER

Have a question regarding this product? Contact us.

Fitment:

NOTES: Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc 100mm Piston Shelf Stock Kit

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:

Wiseco Subaru EJ257 Piston Set, 100.00 mm Bore, 30.70 mm Compression Height, 0.9055 in. Pin Diameter, Sport Compact, Set of 4..
Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.

Engineered, forged, and machined in the USA from 2618 aluminum for improved tensile strengthArmorGlide? Skirt Coating: seizure resistant, friction reduction, and quieter operationFully machined crown featuresPrecision ring grooves, anti-detonation groove, and additional ring seal improving featuresForced pin oilingDesigned and built to withstand heavy to severe duty performance applications

Other Piston Sets - Forged - 4cyl:

Wiseco Piston Sets - 4 Cyl K588M925

Wiseco Subaru WRX 4v R/Dome 8.4:1 CR 92.5 Piston Shelf Stock Kit

OUT OF STOCK

1998-2005 Subaru Impreza RS
2006-2007 Subaru Impreza WRX TR
2010-2010 Subaru Impreza WRX STI Special Edition
2009-2010 Subaru Impreza 2.5 GT
2006-2011 Subaru Impreza 2.5i
2010-2011 Subaru Impreza 2.5i Premium
1998-2001 Subaru Impreza L
1998-2004 Subaru Impreza Outback
2005-2011 Subaru Impreza Outback Sport
2011-2011 Subaru Impreza WRX STI Limited
2002-2004 Subaru Impreza TS
2002-2011 Subaru Impreza WRX
2006-2007 Subaru Impreza WRX Limited
2010-2011 Subaru Impreza WRX Limited
2009-2011 Subaru Impreza WRX Premium
2004-2011 Subaru Impreza WRX STI
2007-2007 Subaru Impreza WRX STI Limited

Manley Performance Piston Sets -4 Cyl 621000C-4

Manley 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)

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

CP Pistons Piston Sets -4 Cyl SC7420-4

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (99.5mm) - Size (Standard) - CR (8.2)

IN STOCK

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

CP Pistons Piston Sets -4 Cyl SC7425-4

CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (99.5mm) - Size (STD) - CR (9.0)

SHIPS FROM MANUFACTURER
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

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 (3)
SHIPS FROM MANUFACTURER
(Last checked: 11/04/2025)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

Wiseco Piston Sets - 4 Cyl (K598M100)

Fitment:

Description:

Related Links:

Other Piston Sets - Forged - 4cyl: