S3L-X (formerly S3L-i): Rated up to 550whp (660bhp) Pistons approved by the SCCA and stamped accordingly.These power numbers are a “rated output”, meaning that these are the maximum power numbers that we have seen these internals withstand with proper maintenance and a solid tune.

From that research we have come up with forged internals to keep your engine strong enough to withstand your desired power level.Ĭhoose your power rating above to determine which internals are right for your build. We have pushed these engines to their breaking points to determine which components fail at what level. For over 2 decades we have tested all combinations of upgrades for the turbo-charged EJ20, EJ25, and more recently the new FA20 Subaru engines.

Fully Blueprinted and Assembled within OEM SpecsĪll components engineered and manufactured by Crawford Performance have been tested for ultimate performance and maximum dependability on and off the race track.

Built for Reliability instead of being Overbuilt on Myths.

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