Closed Deck EJ257 V4 Long Rod Short Block Off-Road/Adapter Kits Modelled and Modelled Multi-Fuel Equations

Modelled and Modelled Multi-Fuel Equations

and they are often required to deliver fuel well outside of their linear operating range

This translates to less stress

The ID1700x was designed to fill the gap between the ID1300x and the ID2000

Impreza WRX 2004-2014

Closed Deck EJ257 V4 Long Rod Short Block Off-Road/Adapter Kits Modelled and Modelled Multi-Fuel EquationsThis 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