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making it the perfect step up from stock
but even in the daily grind of speed bumps and dirt road wash board
Many Duramax's have issues with excessive movement or even ripping stock motor mounts
and style for factory door panels
will have less exhaust back pressure and you'll never have shrinking
CNC Fabrication Stage 1 Ovate Valve Spring Kit 03-10 Ford 6.0L/6.4L Powerstroke DE-K4214S-RP making it the perfect stepIf 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
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