SKU OUT-SB-S1R-H
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 S20 cylinder heads found on the 02-05 WRX and other EJ20 applications without cylinder head combustion chamber modification.
This configuration includes:
- Custom Outfront Motorsports spec Hybrid CP piston set (25.5cc) for EJ20 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
New OEM RA Shortblock W/ Forged CP Hybrid Pistons 99.5 w/ Race Bearings 99.5
$3,550.00Price