Closed Deck EJ257 V3 Ultra Short Block Ignition high rpm racing engines making

high rpm racing engines making 500hp+

SUPPLIED WITH

This is the Thin plate version

Now featuring Knock Control

Subaru Accessport V3 (AP3-SUB-004)

Closed Deck EJ257 V3 Ultra Short Block Ignition high rpm racing engines makingThis 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