Summit Racing SpeedCard - learn how to get 15% back up to $150

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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 312

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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Steel Valve Locks - Standard 10 degree - Radius Groove

Part Number: RSC-PAC-L8159

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, 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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Titanium Valve Locks - Standard 10 degree - Radius Groove - +0.050 Install Height

Part Number: RSC-PAC-L8008

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Valve Locks, Machined, Steel, 8 Degree, 1-Groove, 0.315 in. Valve Stem, Set of 16 Pairs

Part Number: RSC-PAC-L8141-16

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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 ( 1 )

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Titanium Valve Locks - Mini 8 degree - Radius Groove - Standard Install Height

Part Number: RSC-PAC-L8123

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Steel Valve Locks - Standard 7 degree - Square Groove - +0.050 Install Height

Part Number: RSC-PAC-L8147-16

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Steel Valve Locks - Mini 8 degree - Square Groove - Standard Install Height

Part Number: RSC-PAC-L8133

3.0 out of 5 stars ( 1 )

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Valve Locks, 7 degree, Radius Groove-style, Machined, Steel, 1-groove, 8.00mm Stem Diameter, Set of 16 Pairs

Part Number: RSC-PAC-L8113-16

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

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

Part Number: RSC-PAC-L8145-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Valve Locks, 10 degree, 1-groove, Machined, Steel, 0.313 in. Stem Diameter, Set of 16 Pairs

Part Number: RSC-PAC-L8067-16

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Steel Valve Locks - Mini 8 degree - Square Groove - Standard Install Height

Part Number: RSC-PAC-L8127-16

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

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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Steel Valve Locks - Standard 10 degree - Square Groove - Standard Install Height

Part Number: RSC-PAC-L8092-16

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Recessed Steel Valve Locks - Standard 10 degree - Radius Groove - Standard Install Height

Part Number: RSC-PAC-LR8065

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Steel Valve Locks - Mini 8 degree - Square Groove - Standard Install Height

Part Number: RSC-PAC-L8137

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Steel Valve Locks - Standard 7 degree - Square Groove - +0.050 Install Height

Part Number: RSC-PAC-L8149-16

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Recessed Steel Valve Locks - Standard 10 degree - Square Groove - +0.050 Install Height

Part Number: RSC-PACLR802716

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Valve Locks, 10 degree, Square Groove-style, Machined, Steel, 1-groove, 0.344 in. Stem Diameter, 0.050 in. Installed Height, Pair

Part Number: RSC-PAC-L8027

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Steel Valve Locks - Mini 8 degree - Radius Groove - Standard Install Height

Part Number: RSC-PAC-L8131-16

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Steel Valve Locks - Standard 10 degree - Square Groove - Standard Install Height

Part Number: RSC-PAC-L8092

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

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