Closed Deck V3, New Case Halves (Outright) Closed Deck FA20 New Case Halves reduced shank diameter (allows for

reduced shank diameter (allows for no head gasket modifying)

Seat Pressure 89 / 87 lbs

Subaru WRX

3mm / Centerline AVCS

Fits all EJ engines

Closed Deck V3, New Case Halves (Outright) Closed Deck FA20 New Case Halves reduced shank diameter (allows forThis 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 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 and pushing coolant that you have