CNC Fabrication Stage 1 Ovate Valve Spring Kit 03-10 Ford 6.0L/6.4L Powerstroke DE-K4214S-RP Alliant parts are built to

Alliant parts are built to meet or exceed factory specifications

will have less exhaust back pressure and you'll never have shrinking

5" remote reservoir shocks

Many Duramax's have issues with excessive movement or even ripping stock motor mounts

CNC Fabrication Stage 1 Ovate Valve Spring Kit 03-10 Ford 6.0L/6.4L Powerstroke DE-K4214S-RP Alliant parts are built toIf 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