Closed Deck EJ257 V3 Long Rod Short Block Hardware DEFAULT: Manley Custom Forged Piston

DEFAULT: Manley Custom Forged Piston Set Made for EJ255 W/ D25 Heads

The Outfront Motorsports 575 Cylinder Heads are the perfect entry level replacement heads if you had a failure requiring you to completely replace heads or if you just want brand new heads outright

With each model change from Subaru engineers

Manufacturing Standard – ISO 13485

as well as exceeding 700whp

Closed Deck EJ257 V3 Long Rod Short Block Hardware DEFAULT: Manley Custom Forged PistonThis 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 V3 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