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New OEM RA Shortblock W- Forged CP EJ257 Pistons 99.5 w- Race Bearings

New OEM RA Shortblock W- Forged CP EJ257 Pistons 99.5 w- Race Bearings

SKU: OUT-SB-S1R
Regular price $3,550.00
Regular price Sale price $3,550.00
Sale Sold out

Outfront 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 bearings
  • New OEM Case Bolts
  • All wrapped in a new OEM case.
  • Rear Covers, Rear Seal, and Pin Plugs Included!!!

This block is rated at 500 BHP

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