Closed Deck EJ257 V4 Long Rod Short Block EJ spring Kits First you need a clutch

First you need a clutch that will hold all the power

Compressor-

e-Boost2 allows the user to control

Each breather cap has two 3/8 NPT holes for fittings

7027S3 ADV Duration Duration @ 0

Closed Deck EJ257 V4 Long Rod Short Block EJ spring Kits First you need a clutchThis 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