SKU OUT-SB-S1R
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
New OEM RA Shortblock W/ Forged CP EJ257 Pistons 99.5 w/ Race Bearings
$3,550.00Price