CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.0mm) - Size (+0.5mm) - CR (9.0)
These pistons will come provided with rings and wrist pins and are designed to sustain the perils of high horsepower and high boost builds.
9.0:1 Compression ratio
Deep valve relief depth accommodates high lift camshaft
Made for +1mm valve sizes
Custom skirt cam and barrel design
High strength aluminum forgings
Fully CNC machined and balanced to +/- 1 gram
Wrist pins included at no additional cost
Double pin oilers, force fed oil ring
Pick lock grooves for easy lock removal
Pin fitting included
2006 Saab 9-2X Aero, 2004-2006 Subaru Baja Turbo, 2008-2013 Forester, 2006-2007 WRX, 2008-2014 Subaru WRX/STI Hatchback and Sedan, 2005-2012 Legacy GT, 2005-2009 Subaru Outback, 2015 + STI
Actual Product May Vary from Image.
This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov