New OEM RA Shortblock W/ Forged CP EJ255 Pistons 99.5 w/ Race Bearings 99.5

New OEM RA Shortblock W/ Forged CP EJ255 Pistons 99.5 w/ Race Bearings 99.5
SKU OUT-SB-S1R-D
$3,550.00

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 the D25 cylinder heads found on the 06-14 WRX and other EJ255 applications.


This configuration includes:
  • Custom Outfront Motorsports spec EJ255 CP piston set (24cc) for D25 Heads
  • 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