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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.

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Results 1 - 25 of 887

COMP Cams Super Valve Locks 611-16

Made in the USA COMP Cams Super Valve Locks 611-16

COMP Cams Super Valve Locks 611-16

Valve Locks, Machined, Hardened Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: CCA-611-16

4.55 out of 5 stars ( 31 )

Estimated Ship Date: Tomorrow

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COMP Cams Super Valve Locks 612-16

Made in the USA COMP Cams Super Valve Locks 612-16

COMP Cams Super Valve Locks 612-16

Valve Locks, Machined, Hardened Steel, 10 Degree, 1-Groove, 3/8 in. Valve Stem, Set of 32

Part Number: CCA-612-16

4.9 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

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COMP Cams Super Valve Locks 630-16

Made in the USA COMP Cams Super Valve Locks 630-16

COMP Cams Super Valve Locks 630-16

Valve Locks, Machined, Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, -.050 in. Installed Height, Set of 32

Part Number: CCA-630-16

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Valve Locks SUM-174003-4

Summit Racing™ Valve Locks SUM-174003-4

Summit Racing™ Valve Locks SUM-174003-4

Valve Locks, Machined, Hardened Steel, 7 Degree, 1-Groove, +.050 in. Installed Height, 11/32 in. Valve Stem, Set of 32

Part Number: SUM-174003-4

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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COMP Cams Race Valve Locks 648-16

Made in the USA COMP Cams Race Valve Locks 648-16

COMP Cams Race Valve Locks 648-16

Valve Locks, Machined, Hardened Steel, 7 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: CCA-648-16

4.63 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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COMP Cams Super Valve Locks 613-16

Made in the USA COMP Cams Super Valve Locks 613-16

COMP Cams Super Valve Locks 613-16

Valve Locks, Machined, Hardened Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: CCA-613-16

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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COMP Cams Super Valve Locks 614-16

Made in the USA COMP Cams Super Valve Locks 614-16

COMP Cams Super Valve Locks 614-16

Valve Locks, Machined, Hardened Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: CCA-614-16

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Manley 10 Degree Machined Valve Locks 13198-16

Manley 10 Degree Machined Valve Locks 13198-16

Manley 10 Degree Machined Valve Locks 13198-16

Valve Locks, Machined, Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, +.050 in. Height, Set of 32

Part Number: MAN-13198-16

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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AFR Valve Locks 9009-16

AFR Valve Locks 9009-16

AFR Valve Locks 9009-16

Valve Locks, 1-groove Beadlock-style, 10 degree, Machined, Steel, 0.314 in. Stem Diameter, Set of 16

Part Number: AFR-9009-16

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Crower Billet Performance 7 Degree Valve Stem Keepers 86107X2-16

Crower Billet Performance 7 Degree Valve Stem Keepers 86107X2-16

Crower Billet Performance 7 Degree Valve Stem Keepers 86107X2-16

Valve Locks, Machined, Chromoly, 7 Degree, 1-Groove, 11/32 in. Valve Stem, -.050 in. Height, Set of 32

Part Number: CRO-86107X2-16

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Manley 10 Degree Machined Valve Locks 13194-16

Manley 10 Degree Machined Valve Locks 13194-16

Manley 10 Degree Machined Valve Locks 13194-16

Valve Locks, Machined, Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: MAN-13194-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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COMP Cams Super Valve Locks 616-16

Made in the USA COMP Cams Super Valve Locks 616-16

COMP Cams Super Valve Locks 616-16

Valve Locks, Machined, Hardened Steel, 10 Degree, 1-Groove, 3/8 in. Valve Stem, Set of 32

Part Number: CCA-616-16

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Manley 10 Degree Machined Valve Locks 13161-8

Manley 10 Degree Machined Valve Locks 13161-8

Manley 10 Degree Machined Valve Locks 13161-8

Valve Locks, Machined, Steel, 10 Degree, 1-Groove Beadlock, 11/32 in. Valve Stem, Set of 16

Part Number: MAN-13161-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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COMP Cams Street Valve Locks 601-16

Made in the USA COMP Cams Street Valve Locks 601-16

COMP Cams Street Valve Locks 601-16

Valve Locks, Stamped, Steel, 7 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: CCA-601-16

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Manley 10 Degree Machined Valve Locks 13194T-16

Manley 10 Degree Machined Valve Locks 13194T-16

Manley 10 Degree Machined Valve Locks 13194T-16

Valve Locks, Machined, Titanium, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: MAN-13194T-16

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Trick Flow® Valve Locks TFS-52400444

Made in the USA Trick Flow® Valve Locks TFS-52400444

Trick Flow® Valve Locks TFS-52400444

Valve Locks, Machined, Hardened Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: TFS-52400444

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Melling Replacement Valve Locks VL-200

Melling Replacement Valve Locks VL-200

Melling Replacement Valve Locks VL-200

Valve Locks, 1-groove, Steel, for 0.341 in. Valve Stem Diameter, Pair

Part Number: MEL-VL-200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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PAC Racing Valve Locks PAC-L8027-16

PAC Racing Valve Locks PAC-L8027-16

PAC Racing Valve Locks PAC-L8027-16

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 ( 1 )

Estimated Ship Date: Tomorrow

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Trick Flow® Valve Locks TFS-31400443

Trick Flow® Valve Locks TFS-31400443

Trick Flow® Valve Locks TFS-31400443

Valve Lock, Stamped, Steel, 7 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: TFS-31400443

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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PAC Racing Valve Locks PAC-L8025-16

PAC Racing Valve Locks PAC-L8025-16

PAC Racing Valve Locks PAC-L8025-16

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 )

Estimated Ship Date: Tomorrow

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Manley 10 Degree Machined Valve Locks 13161T-8

Manley 10 Degree Machined Valve Locks 13161T-8

Manley 10 Degree Machined Valve Locks 13161T-8

Valve Locks, Machined, Titanium, 10 Degree, 1-Groove Beadlock, 11/32 in. Valve Stem, Set of 16

Part Number: MAN-13161T-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Trick Flow® Valve Locks TFS-51400444

Made in the USA Trick Flow® Valve Locks TFS-51400444

Trick Flow® Valve Locks TFS-51400444

Valve Locks, Machined, Hardened Steel, 7 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: TFS-51400444

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Brodix Cylinder Heads Super Valve Locks CC 611

Brodix Cylinder Heads Super Valve Locks CC 611

Brodix Cylinder Heads Super Valve Locks CC 611

Valve Locks, Machined, Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Each

Part Number: BRO-CC611

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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COMP Cams Super Valve Locks 626-16

Made in the USA COMP Cams Super Valve Locks 626-16

COMP Cams Super Valve Locks 626-16

Valve Locks, Machined, Hardened Steel, 10 Degree, 4-Groove, 3/8 in. Valve Stem, Set of 32

Part Number: CCA-626-16

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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