Outfront Motorsports V4 Racer Shortblock intake Manifolds and Accessories custom large diameter hardened washers

custom large diameter hardened washers to prevent embedding into head under heavy torque values and HP levels

Head Diameter (mm) 36

Boost Levels: up to 6 levels of boost

Overall Length: 104

Max Lift: 13

Outfront Motorsports V4 Racer Shortblock intake Manifolds and Accessories custom large diameter hardened washersThis 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