CP Piston & Ring Set for Subaru EJ257 WRX STi - Bore (100.5mm) - Size (+1.0mm) - CR (8.2) Set of 4
Features:
100.50mm Bore Size (+1.0mm over stock size)
8.2:1 Compression Ratio
Deep valve relief depth accommodates high lift camshaft
Can be used with +1mm valve sizes
Custom skirt cam and barrel design
Accumulator grooves
High strength aluminum forgings
High performance rings
Fully CNC machined and balanced to +/- 1 gram
Wrist pins included at no additional cost
Double pin oilers, force fed oil ring
Fitment:
2004-2012 Subaru 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
