CP Piston & Ring Set - Bore (99.5mm) CR (8.2) Set of 4 - Subaru EJ257 2004-2021 STI PDM_harnesses improving steering response precision and

improving steering response precision and reducing the geometry deflection that occurs under cornering load

The threaded portion of the shaft undergoes powder coating and salt spray coating for maximum durability

With over 300% more capacity than the stock unit and with an advanced end tank design optimized for maximum flow

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CP Piston & Ring Set - Bore (99.5mm) CR (8.2) Set of 4 - Subaru EJ257 2004-2021 STI PDM_harnesses improving steering response precision andCP Piston & Ring Set for Subaru EJ257 WRX STi Bore (99. 5mm) Size (Standard) CR (8. 2)This Part Fits: Year Make Model Submodel 2004 2012 Subaru Impreza WRX STI 2007,2011 2012 Subaru Impreza WRX STI Limited 2010 Subaru Impreza WRX STI Special Edition