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Manley NexTek 3V Valvesprings

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Product Description

Manley Street Strip stock diameter valve springs for 3V SOHC 4.6 and 5.4 engines. Manley valve springs are wound from super clean alloy. Each design minimizes stress to ensure long service life with high lift camshafts. Retainers are manufactured in our own double spindle CNC machines to exacting tolerances and precise installed height specifications.
Part No. Description Max Valve Lift O.D. I.D. Installed/Open Pressure Retainer #
  3 Valve Stock Diameter Fully Polished Single Conical
221429-24 Ford 4.6L, 5.4L 3 Valve
Street/Strip Applications
.500" .880" Top
1.025" Bottom
.565" Top
.710" Bottom
95 @ 1.670
230 @ 1.170

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