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 Lock, Super 7 Degree, Conventional, Titanium, .3415 in. Stem, Each

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MANLEY Valve Spring Retainer, Titanium, 10 Degree, +.100 in, 1.550 in. OD, Double, Each

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MANLEY Valve Spring Retainer, Titanium, 10 Degree, +.100 in. Height, 1.660 in. OD, Triple, Set of 16

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MANLEY Valve Spring Retainer, Titanium, Super 7 Degree, 1.560 in. OD, Lightweight, Each

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MANLEY Valve Spring, NexTek, Drag Race, 1.580 in. OD, 535 lbs./in. Rate, 1.170 in. Coil Bind Height, Dual, Polished, Set of 16

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