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Part: Manton HD Valve Spring Set
Manufacturer: Manton Pushrods
Part number: D-105-6.0/6.4
Fitment: 6.0/6.4 Powerstroke
Manton high rev/ high boost valve springs for 6.0L Powerstroke and 6.4L Powerstroke.
Building engines the way the OEM factory should have in the first place.
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