When you're changing cams or making other valvetrain upgrades to a Ford 4.6L or 5.4L 2V engine, it's important to replace the stock valve springs with a set designed to handle the increased valve lift. Trick Flow® valve spring upgrade kits feature a beehive spring design so they can be installed without machine work to the heads. Both kits come with springs, chromoly retainers, locks, seals, and instructions.

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Trick Flow Valve Springs, PAC Racing, Beehive, .959 in./1.061 in. O.D, 191 lbs./in. Rate, 1.020 in. Coil Bind, Set of 24

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COMP Cams Steel Retainer, 7 Degree, 11/32 in. Valve w/ 1.437 in.-1.500 in. Spring, Each

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COMP Cams Titanium Retainer, 7 Degree, For Ford 4.6L 2 Valve w/ 26113 Beehive Spring, Each

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COMP Cams Engine Valve Spring Seat, ID Spring Locator, 1.350 in. OD, .515 in. ID, .130 in. Thick, Each

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AFR Retainer, MOPAR Gen3 10° 1.250 OD Steel, Set of 16

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