Manton Powerstroke 6.0/6.4L High Rev/High Boost Valve Springs
Designed by Manton for reliability across all performance levels, from Mild to Wild. Sold in a pack of 32 springs. Note: Ford now supplies a single 9.795-inch pushrod length for both 6.0 and 6.4 engines.
Valve spring specifications:
120 lbs @ 1.840" installed height
284 lbs @ 1.340" (.500" valve lift)
Accommodates max valve lift of .540"
Fits: 2003-2010 6.0 and 6.4L Powerstroke engines
Please Note: Manton offers heat-treated spring shims in various thicknesses to adjust seat pressure for max boost adjustments.