CNC Fabrication Stage 1 Ovate Valve Spring Kit 03-10 Ford 6.0L/6.4L Powerstroke DE-K4214S-RP thanks to thicker blades

thanks to thicker blades

260 GPH: FOR BIG POWER AND HEAVY DEMAND (900-1200 HP)

5" remote reservoir shocks

Alliant parts are built to meet or exceed factory specifications

making it the perfect step up from stock

CNC Fabrication Stage 1 Ovate Valve Spring Kit 03-10 Ford 6.0L/6.4L Powerstroke DE-K4214S-RP thanks to thicker bladesIf you're pushing your Powerstroke beyond stock power levels, factory valve springs can quickly become a weak link. The CNC Fabrication Stage 1 Ovate Valve Spring Kit is designed to provide the additional valve control needed for higher boost, increased RPM, and performance camshaft applications. By keeping the valvetrain stable under demanding conditions, these springs help reduce valve float, improve engine reliability, and give you the confidence