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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Trick Flow Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.250 in. O.D, .650 in. I.D, Set of 16

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Trick Flow Valve Spring Retainers, Titanium, 7 Degree, 1.229 in. Outside Diameter, .668 in. Inside Diameter, Set of 16

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Trick Flow Nano-Peened Dual Valve springs, Titanium retainers, 160 lbs. seat pressure. 425 lbs. open at .670 lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92,

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