Pay in 4 interest-free payments of $32.97 Learn more
Ships within 48 hours · Estimated delivery Oct 13 - Oct 18
274° Intake duration
Application and Removal
and pipes are sold separately
High-strength aluminum alloy construction
vortex generators
Manley Performance Valve Spring Set - Subaru EJ Models (inc. 2002-2014 WRX / 2004-2021 STI) PDM_lifestyle 274° Intake durationManley Performance Valve Spring Set Subaru EJ Models inc. 2002 2014 WRX 2004+ STI The Manley Performance Valve Spring Set has been designed to accommodate high lift cams, and to allow users to surpass OEM rev limitations when power levels have been increased from built motors, larger turbochargers, aggressive cams, or ported heads. Basically if you plan on drag racing, time trials, or any form of spirited driving where the engine lives in the upper
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