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Ships within 48 hours · Estimated delivery Sep 18 - Sep 23
NOTE: Mounting bases cover factory spoiler/wing holes
Not designed to pair with aftermarket front pipes
Replaces stock air intake system
DOES NOT REQUIRE TUNE
GSC P-D Dual Conical Valve Spring Set w/ Titanium Retainer & Chromoly Seats | 5074 vendor_Blouch Turbos NOTE: Mounting bases cover factoryProduct Fitment: 2002 2014 Subaru WRX 2004 2021 Subaru STI The GSC Dual Conical Valve Spring Kit is a high performance upgrade built for the turbocharged Subaru EJ engine family (EJ20 EJ25). This kit includes dual conical valve springs, titanium retainers, and chromoly spring seatsall designed to withstand extreme valvetrain conditions and enable aggressive cam profiles, high boost levels, and elevated RPM limits. Key Features: Twin conical springs:
US$ 49.00
US$ 49.00
US$ 75.00