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, 1.106 in. OD, 274 lbs./in. Rate, 0.975 in. Coil Bind Height, For Honda KA20A3/K24A, Set of 16

MANLEY Valve Spring, 1.106 in. OD, 274 lbs./in. Rate, 0.975 in. Coil Bind Height, For Honda KA20A3/K24A, Set of 16

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MANLEY Valve Lock, Bead Loc, 6.56mm Stem, Set of 8

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MANLEY Valve Spring Retainer, 7 Degree, H-13, 1.255 in. OD, Single, Each

MANLEY Valve Spring Retainer, 7 Degree, H-13, 1.255 in. OD, Single, Each

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MANLEY Valve Spring Retainer, Titanium, Super 7 Degree, 1.660 in. OD, Lightweight, Triple, Each

MANLEY Valve Spring Retainer, Titanium, Super 7 Degree, 1.660 in. OD, Lightweight, Triple, Each

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MANLEY Valve Spring, 1.160 in. OD, 248 lbs./in. Rate, 0.96 in. Coil Bind Height, For Nissan SR20DE/SR20DET, Each

MANLEY Valve Spring, 1.160 in. OD, 248 lbs./in. Rate, 0.96 in. Coil Bind Height, For Nissan SR20DE/SR20DET, Each

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Trick Flow Valve Spring Retainers, 7 degree, GM LS, Dual spring +.050, Chromoly Steel, 8mm Stem Diameter, Set of 16

Trick Flow Valve Spring Retainers, 7 degree, GM LS, Dual spring +.050, Chromoly Steel, 8mm Stem Diameter, Set of 16

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