Brian Crower Subaru EJ205-WRX/EJ257-STi Single Spring & Titanium Retainer Kit. Valvesprings: Designed for high rpm, Brian Crower valve springs are wound from only the highest...
Brian Crower Subaru EJ257 - 04-07 STi 06-07 WRX Camshafts - Stage 3 - Set of 4 Every BC camshaft profile has been prototyped and dyno tested for proven horsepower results prior to placed into mass production. By grinding cores in high volume, Brian Crower, Inc. is able to pass the cost savings on to the end user. Quality at an affordable price.
Race Specification: Longer duration profile, added rpm potential. Intended for fully built engine. Tuning and ECU mods recommended. Requires kit BC0600.
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