Description
Brian Crower BC0629 stroker kit is designed for Subaru EJ257 STI engine builds and increases displacement to 2.71L. This kit includes a 4340 billet crankshaft with 83mm stroke, ProH2K rods with 5.141 inch center-to-center length, and custom pistons with bore and compression options. Component references include BC5629 crank, BC6609 rods, and BC7629 pistons, with ACL Race bearings available separately for final assembly.