Outfront Motorsports 775 Closed Deck Short Block EJ255 W/ D25 Heads Fuel Systems Ignition retard control

Ignition retard control

a reinforced material developed by the Athena R&D Department consisting of a steel core covered with two layers of asbestos-free aramid fibre: this allows excellent thermal and mechanical resistance without penalizing its ability to adapt perfectly to cylinder and head support surfaces

Fits All WRX & STi EJ Series Engines

S/E 22mmFeatures: Connecting Rod is made from the highest grade 4340 Billet ONE Piece Forging available on the market

Belts are also available:

Outfront Motorsports 775 Closed Deck Short Block EJ255 W/ D25 Heads Fuel Systems Ignition retard controlThis 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