Outfront Motorsports V4 Racer+ Shortblock EJ20 Shortblocks Comes with 2 rails

Comes with 2 rails

These valves feature avionics-quality hard chrome along with a specially applied hard tip

State of the art manufacturing and engineering production processes

Designed specifically for the Subaru EJ20 and EJ25 engines

Outfront Motorsports V4 Racer+ Shortblock EJ20 Shortblocks Comes with 2 railsThis closed deck block design has been proven to withstand extreme boost levels resulting in high cylinder pressures without the worry of cracking a sleeve. The billet material that reinforces the combustion area has been further optimized with our V4 closed deck block in the known problem areas making it a far superior product to any sleeved block. With a closed deck block the stock sleeves are still in place eliminating all risk of dropping sleeves