![]() ![]() We recommend that certain parts be replaced new when installing a new Short Block in to your vehicle. Forged, made with the strongest steel available in the industry: 4340 chrome-moly Longer than stock length not only increases strength but also increases the rod ratio which allows for smoother and more efficient power delivery.More power at same boost level with same supporting modsĪll CrawfordSPEC pistons are sized for the OEM bore.Įvery CrawfordSPEC rod is designed at a specific length, engineered by and exclusive to Crawford Performance. We have worked side-by-side with Pauter Rods to create a design with the following results:.More manifold vacuum at idle, which makes for a tighter, healthier, more efficient engine. ![]() 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.Įvery CrawfordSPEC piston features a unique dish design, engineered by and exclusive to Crawford Performance. We have worked side-by-side with JE Pistons to create a design with the following results: ![]() From that research we have come up with forged internals to keep your engine strong enough to withstand your desired power level. 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.
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