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The Brian Crower crankshaft is a billet 4340 replacement built for Subaru EJ257/STi engines, engineered to support high-stress build goals while preserving crank geometry and balance for serious engine work. This crank features an 83mm stroke specification and is presented as a direct billet 4340 unit intended for EJ257 applications where a durable crank is required.
Brian Crower Crankshaft -Subaru EJ257-STi 83mm Stroke 4340 Billet
