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Valve Locks & Keepers

A pair of valve locks (also called valve keepers) fits around the top of each valve stem, securing the spring retainer on top of the valve spring. More power means stronger...

A pair of valve locks (also called valve keepers) fits around the top of each valve stem, securing the spring retainer on top of the valve spring. More power means stronger springs, and that means the retainers and locks have to get stronger to keep up.

Stock replacement valve locks are usually made of steel and have a narrow taper. In a performance engine, they’re made from harder materials, and the taper widens (up to 10 degrees, or more!) to spread the load out. Make sure your new keepers match the seat inside the retainer and the diameter of your valve stems—you can use the search tools to the left to narrow down your...

A pair of valve locks (also called valve keepers) fits around the top of each valve stem, securing the spring retainer on top of the valve spring. More power means stronger springs, and that means the retainers and locks have to get stronger to keep up.

Stock replacement valve locks are usually made of steel and have a narrow taper. In a performance engine, they’re made from harder materials, and the taper widens (up to 10 degrees, or more!) to spread the load out. Make sure your new keepers match the seat inside the retainer and the diameter of your valve stems—you can use the search tools to the left to narrow down your selection.

Don’t forget your valve spring compressor to make valve lock service easier!

Top Brands

For valve locks you can rely on race after race, shop from brands you can trust here at Summit Racing Equipment. Our selection includes COMP Cams, Trick Flow, Manley, Howard’s Cams, Crane Cams, Airflow Research, Isky, and many more.

Individual Parts

Results 1 - 25 of 264

Valve Locks, Replacement, 1-groove, Steel, for 0.341 in. Valve Stem Diameter, AMC, Buick, Cadillac, Chevy, Edsel, Ford, GMC, Jeep, Olds, Mercury, Pair

Part Number: MEL-VL-200

5.0 out of 5 stars ( 1 )

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Valve Locks, Machined, Steel, 7 Degree, 1-Groove, 0.315 in. Valve Stem, Pair

Part Number: RSC-PAC-L8113

4.0 out of 5 stars ( 1 )

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Valve Locks, 10 degree, Square Groove-style, Machined, Steel, 1-groove, 0.342 in. Stem Diameter, Set of 16 Pairs

Part Number: RSC-PAC-L8027-16

5.0 out of 5 stars ( 2 )

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Valve Locks, 10 degree, Square Groove-style, Machined, Steel, 1-groove, 0.344 in. Stem Diameter, Set of 16 Pairs

Part Number: RSC-PAC-L8025-16

4.5 out of 5 stars ( 2 )

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Valve Locks, 0.314 in. Stem Diameter, 7 Degree, 1-Groove Beadlock Style, Steel, Machined, Pair

Part Number: AFR-9007-1

5.0 out of 5 stars ( 1 )

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Valve Locks, 8 degree, 1-groove, Machined, Steel, 0.344 in. Stem Diameter, Set of 16 Pairs

Part Number: RSC-PAC-L8133-16

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Valve Locks, 10 degree, 1-groove, Alloy Steel, Machined, 0.343 in. Stem Diameter, Pair

Part Number: AFR-9005-1

1.0 out of 5 stars ( 1 )

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Valve Lock, Machined, Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, +.050 in. Height, Pair

Part Number: MAN-13198-1

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Valve Lock, Machined, Hardened Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, .050 in. Lower, Pair

Part Number: CRO-86110X2-PR

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Valve Lock, Forged Steel, 7 Degree, 1-Groove, 11/32 in. Valve Stem, Pair

Part Number: HRS-93005-1

5.0 out of 5 stars ( 3 )

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Valve Locks, 8mm Stem, Single Radius Groove, -0.05 in. Installed Height, 7 Degree Lock Angle, Steel, Machined, Chevy, LS-1, Pair

Part Number: RSC-PAC-L8116

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Valve Locks, Machined, Steel, 7 Degree, 1-Groove, 0.315 in. Valve Stem, Pair

Part Number: RSC-PAC-L8114

5.0 out of 5 stars ( 2 )

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Valve Locks, Super, Machined, Hardened Steel, 10 degree, 4-groove, 0.372 in. Valve Stem, Pair

Part Number: CCA-626-1

4.0 out of 5 stars ( 1 )

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Valve Locks, Machined, Chromoly, 10 Degree, 1-Groove, 11/32 in. Valve Stem, - 0.050 in., Pair

Part Number: TFS-52400445-1

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Valve Lock, Machined, Titanium, 10 Degree, 1-Groove Beadlock, 5/16 in. Valve Stem, Pair

Part Number: MAN-13151T-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 5, 2026 if ordered today

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Valve Lock, Street, 8mm Stem Diameter, 7 Degree Lock Style, 3-Groove, Hardened Steel, Pair

Part Number: CCA-607-1

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Valve Lock, Machined, Hardened Steel, 10 Degree, 2-Groove, 3/8 in. Valve Stem, Pair

Part Number: CCA-625-1

5.0 out of 5 stars ( 1 )

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Valve Locks, 10 degree, Square Groove-style, Machined, Steel, 1-groove, 0.344 in. Stem Diameter, Pair

Part Number: RSC-PAC-L8025

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Valve Lock, Machined, Titanium, 7 Degree, 1-Groove, 11/32 in. Valve Stem, Pair

Part Number: MAN-13083T-1

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

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Valve Lock, Machined, Steel, 7 Degree, 1-Groove Beadlock, 0.312 in. Valve Stem, Ford, 6.2L, Pair

Part Number: MAN-13087-1

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Estimated Ship Date: Jun 5, 2026 if ordered today

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Valve Locks, Machined Hardened Steel, 10 Degree, .375 in. Stem Diameter, 1-Groove, Pair

Part Number: CCA-609-1

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Valve Lock, 10 Degree, Titanium, Machined, 1-groove, for 0.310 in. Valve Stem Diameter, Pair

Part Number: CCA-637-1

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Valve Locks, 10 degree, Radius Groove-style, Machined, Steel, 1-groove, 0.342 in. Stem Diameter, Set of 16 Pairs

Part Number: RSC-PAC-L8028-16

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

Valve Lock - Pair

Part Number: MEL-VL-1097

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Valve Lock, LocCap, Machined, Steel, 10 Degree, 1-Groove, 0.342 in. Valve Stem, Pair

Part Number: MAN-13494-1

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2026 if ordered today

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Estimated Ship Date: Jun 5, 2026 if ordered today