Elevate your Subaru WRX STi's performance with the Manley Performance 612001C-4 piston and ring set. Designed specifically for the 2004 and later models equipped with the EJ257 engine, this set features a standard stroke of 99.55mm and a bore of +.05mm, providing an optimal compression ratio of 8.5:1. The dish design of the piston ensures efficient combustion, contributing to enhanced power output and overall engine efficiency. Crafted from high-quality materials, these pistons are built to withstand the rigors of performance driving, making them an essential upgrade for any serious enthusiast.
Fitment Information:
Compatible with 2004+ Subaru WRX STi models
EJ257 engine compatibility
Standard stroke: 99.55mm
Bore size: +.05mm
Compression ratio: 8.5:1
Upgrade your engine with the reliability and performance of Manley Performance pistons, and experience the difference in your Subaru WRX STi today!
