Pay in 4 interest-free payments of $481.12 Learn more
Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
map and compensate boost
no machining required
No longer do you have to modify your fuel pump bucket to fit in an aftermarket pump
85 ft/lbs on outer four with ARP lube
New OEM RA Shortblock W- Forged CP EJ255 Pistons 99.5 w- Race Bearings 99.5 Wire Harness Connectors map and compensate boostOutfront 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 King Performance Rod
