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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!
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.
Valve Locks, Forged Steel, 7 Degree, 1-Groove, + 0.050 in., 11/32 in. Valve Stem, Set of 32
Part Number: HRS-93010
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Locks, Forged Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, +.035 in. Height, Set of 32
Part Number: HRS-93017
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Locks, Forged Steel, 7 Degree, 1-Groove, 3/8 in. Valve Stem, +.050 in. Height, Set of 32
Part Number: HRS-93015
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Locks, Forged Steel, 10 Degree, 1-Groove, 3/8 in. Valve Stem, Set of 32
Part Number: HRS-93018
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Lock, Forged Steel, 7 Degree, 1-Groove, 11/32 in. Valve Stem, +.050 in. Height, Pair
Part Number: HRS-93010-1
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Lock, Forged Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, +.035 in. Height, Pair
Part Number: HRS-93017-1
Not Yet Reviewed
Estimated Ship Date: Sep 25, 2025 if ordered today
Estimated Ship Date: Sep 25, 2025 if ordered today
Valve Lock, Forged Steel, 7 Degree, 1-Groove, 3/8 in. Valve Stem, +.050 in. Height, Pair
Part Number: HRS-93015-1
Not Yet Reviewed
Estimated Ship Date: Sep 25, 2025 if ordered today
Estimated Ship Date: Sep 25, 2025 if ordered today
Valve Lock, Forged Steel, 10 Degree, 1-Groove, 3/8 in. Valve Stem, Pair
Part Number: HRS-93018-1
Not Yet Reviewed
Estimated Ship Date: Sep 26, 2025 if ordered today
Estimated Ship Date: Sep 26, 2025 if ordered today
Valve Lock, Forged Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, +.035 in. Height, Set of 200
Part Number: HRS-93017-100
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
Valve Lock 10 Deg. 3/8"
Part Number: HRS-93018-100
Not Yet Reviewed
Estimated Ship Date: Sep 17, 2025 if ordered today
Estimated Ship Date: Sep 17, 2025 if ordered today
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