Closed Deck V3 Base Shortblock

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$3,900.00 $3,849.00

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Description

Closed Deck EJ257 With Forged Internals. This shortblock is for 550 WHP or less and 30 PSI of boost.

This closed deck block design by Outfront Motorsports 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 their 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 and pushing coolant that you have with a sleeved block.

This engine consists of the following parts:
  • Seasoned EJ257 case halves
  • V3 Closed Deck Process
  • Forged Pistons (Default is CP but you can choose any shelf JE, Manley, or CP piston)
  • Outfront Motorsports H Beam Rods
  • King Performance Bearings
  • New OEM Subaru Heat Treated Crankshaft
  • Piston Set
    •  8.2:1 EJ257 Pistons
    • 8.4:1 EJ255 Pistons (D25 Heads 06+ WRX)
    • 9:1 EJ257 Pistons
    • 10:1 EJ257 Pistons

No Core required!!

Additional information

Block Configurations

8.2:1 EJ257 Pistons, 10:1 EJ257 Pistons, 8.4:1 EJ255 Pistons (D25 Heads 06+ WRX), 9:1 EJ257 Pistons