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Product Fitment:
2015-2026 Subaru WRX
Subaru WRX 2015+ dual spring and titanium retainer kit is to suit turbocharged FA20 engines. This spring kit can be used for engines running to 9750RPM and 50PSI boost! High frequency dual spring design to reduce spring surge at high operating RPM. Made with the highest quality Japanese spring steel and wound in the USA by PAC Racing who are world leaders in racing valve spring design and manufacture. Made with advanced heat treatment processing and surface finishing techniques (nano peening) to extend fatigue life. Titanium retainers made in-house at Kelford Cams with our brand-new high precision CNC turning centers.
Specs:
Parts also suitable for: Toyota 4AU-GSE variant of the engine found in the GT86. Also, the FA20 variants found in Subaru BRZ, Levorg, Legacy and Forester.
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