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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Drop n on stock retainers at 1
you can be confident the mounting orientation will match your existing manifold & outlet hardware
Suits upgraded twin turbos or single turbo 54-64mm
you can set your boost anywhere from zero up to all of it all from your laptop or tuning interface
Liquid Actuator Cooling Option
SUBARU WRX EJ20 STi V4 Spring Set KVS97 0554-3004 Drop n on stock retainers87lb at 42. 00mm Installed Height. SUBARU WRX Version 3 4 (STI). High performance valve spring set. The OEM STi retainer needs slight maching to fit these springs. 87lb seat pressure at 42. 00mm Installed Height.
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