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IAG Performance / Willall Stage X 2.5L Subaru Billet Aluminum Short Block - WRX/STI/LGT/FXT

Using the same world-leading technology found in Willall’s incredible billet GT-R block, the billet EJ case seeks to change the Subaru performance tuning market by reinventing the EJ and addressing virtually every weakness that exists in max-power builds. The Stage “X” Block is a complete short block built on the Willall billet platform, which also includes pistons, rods, bearings, crank, bore/hone, case bolts, line hone, and final assembly and blueprinting. 

Stage X. . . Show More >



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