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, High Performance, 1.014 in. OD, 236 lbs./in. Rate, .904 in. Coil Bind Height, Single, For Ford, Each

MANLEY Valve Spring, NexTek, High Performance, 1.014 in. OD, 236 lbs./in. Rate, .904 in. Coil Bind Height, Single, For Ford, Each

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COMP Cams Valve Spring, Dual, 1.171 in. O.D, 296 lbs./in. Rate, 0.858 in. Coil Bind Height, Set of 16

COMP Cams Valve Spring, Dual, 1.171 in. O.D, 296 lbs./in. Rate, 0.858 in. Coil Bind Height, Set of 16

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MANLEY Valve Spring Locator, Inside, Heat-Treated, Fits 1.311 in. OD. Spring, .57 in. ID, 1.29 in. OD, .062 in. Thick, Black, Each

MANLEY Valve Spring Locator, Inside, Heat-Treated, Fits 1.311 in. OD. Spring, .57 in. ID, 1.29 in. OD, .062 in. Thick, Black, Each

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MANLEY Valve Stem Seal, 3/8 in. Stem, .530 in. Guide OD, Set of 8

MANLEY Valve Stem Seal, 3/8 in. Stem, .530 in. Guide OD, Set of 8

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COMP Cams Valve Spring, Single, 1.524 in. O.D, 373 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16

COMP Cams Valve Spring, Single, 1.524 in. O.D, 373 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16

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MANLEY Valve Spring, NexTek, Drag Race, 1.175 in. OD, 255 lbs./in. Rate, 1.080 in. Coil Bind Height, Single, Each

MANLEY Valve Spring, NexTek, Drag Race, 1.175 in. OD, 255 lbs./in. Rate, 1.080 in. Coil Bind Height, Single, Each

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