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The Brian Crower stroker kit for Subaru EJ257 STI includes an 83mm billet crank, ProH625+ connecting rods, and custom pistons to deliver a 5.141" stroke assembly. This kit supplies the rotating assembly components needed to increase displacement in compatible EJ257 builds and is intended for performance-oriented engine projects where matched, durable components are required for higher-output applications.
Brian Crower Subaru EJ257 STI Stroker Kit - 83mm Billet Crank/ProH625+ Rods (5.141in) Custom Pistons
