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, NexTek, Drag Race, 1.640 in. OD, 604 lbs./in. Rate, 1.150 in. Coil Bind Height, Dual, Each

MANLEY Valve Spring, NexTek, Drag Race, 1.640 in. OD, 604 lbs./in. Rate, 1.150 in. Coil Bind Height, Dual, Each

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MANLEY Valve Lock, 7 Degree Machined, Bead Loc, Steel, 5/16 in. Stem, Set of 16

MANLEY Valve Lock, 7 Degree Machined, Bead Loc, Steel, 5/16 in. Stem, Set of 16

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MANLEY Valve Lock, Super 7 Degree Captiv Loc, Bead Loc, Titanium, .3415 in. Stem, Each

MANLEY Valve Lock, Super 7 Degree Captiv Loc, Bead Loc, Titanium, .3415 in. Stem, Each

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MANLEY Valve Spring Retainer, Titanium, 7 Degree, +.100 in. Height, 1.660 in. OD, Set of 16

MANLEY Valve Spring Retainer, Titanium, 7 Degree, +.100 in. Height, 1.660 in. OD, Set of 16

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Trick Flow Valve Springs, PAC Racing, Dual, 1.538 in. Outside Diameter, 436 lbs./in. Rate, 1.090 in. Coil Bind, Set of 16

Trick Flow Valve Springs, PAC Racing, Dual, 1.538 in. Outside Diameter, 436 lbs./in. Rate, 1.090 in. Coil Bind, Set of 16

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COMP Cams Valve Seal, Metal Body Viton, .530 in. Guide Size, 3/8 in. Valve Stem, Set of 12

COMP Cams Valve Seal, Metal Body Viton, .530 in. Guide Size, 3/8 in. Valve Stem, Set of 12

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