Manley Professional valve springs are constructed from silicon material for oval track racing, or H-11 tool steel for drag racing. No matter what kind of racing you do, Manley has got you covered!

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MANLEY Valve Spring, Street Master, Chrome Silicon, 1.437 in. OD, 354 lbs./in. Rate, 1.100 in. Coil Bind Height, Dual, Set of 16

MANLEY Valve Spring, Street Master, Chrome Silicon, 1.437 in. OD, 354 lbs./in. Rate, 1.100 in. Coil Bind Height, Dual, Set of 16

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Sonnax Servo Return Spring, Ford, Cd4E, La4A-El, 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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MANLEY Valve Lock, 10 Degree Machined, Bead Loc, Steel, +.050 .3415 in. Stem, Set of 8

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Crow Cams 10 Deg SQUARE GROOVE -.050"

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