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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
prevent power loss and provide better throttle response
Perfect for all custom wiring jobs utilizing Link WireIn ECUs
Group Staged
all 39mm Precision Turbo PW39 wastegates are warranted to be free from manufacturer's defect for a period of 12 months or 12
New OEM RA Shortblock W- Forged CP EJ257 Pistons 99.5 w- Race Bearings PDM prevent power loss and provideOutfront Motorsports Stage 1 RA shortblock is for that added Protection against ring land failure on a lightly modified car. These custom pistons are made specifically for use with B25, V25, W25, and N25 cylinder heads found on the 04+ STI and other EJ257 applications. This configuration includes: Custom Outfront Motorsports spec EJ257 CP piston set (22cc) New OEM STI black Nitrited 2017+ crankshaft New OEM STI connecting rods New OEM rod and main