
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.

The car parts world is still feeling the impact from the Covid buying spree and shut down. Thanks to amazing customers like you, we are currently experiencing a high volume of orders and shipping may be delayed. DRP remains fully committed to pursuing the completion of your purchase within a reasonable manner under the current circumstances. You can always contact our customer service via email with questions, or to check for availability! Please note: Not all orders will experience a delay, however, we want to continue to be as open and transparent as possible should you experience a longer than average order processing time. As a small business, your continued support means the world to us and your choice to shop with us has made a huge impact and we greatly appreciate you and your understanding!
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