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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.
Showing In Stock Items. Show All 39 Items.
COMP Cams Super valve locks are wider-angled 10 degree locks. They distribute the ever-increasing valve spring loads over the retainer better than typical 7 degree locks by reducing the chance of "pull-through" failure. They are precision-machined for accuracy and are available for many popular valve sizes with or without a lash cap recess. Super valve locks will fit any COMP Cams 10 degree retainer and are recommended for all race applications due to their superior strength.
( 128 )
$7.95
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$307.95
Summit Racing™ valve locks are available to complete your rebuild or upgrade. These top-quality valve locks are machined from hardened stamped steel to deliver the strength and quality you need for optimal valvetrain performance.
( 2 )
$23.99
COMP Cams race locks are designed for stock or performance engines using 7 degree valve locks. They are manufactured from machined steel and offer excellent valve spring location, so it is not necessary to change to a 10 degree retainer. Whether you're rebuilding a stock engine or changing to valve springs that have more seat pressure, COMP Cams Race valve locks will provide the reliability that you've been looking for.
( 29 )
$6.95
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$249.95
Manley 10 degree machined valve locks are precision-crafted and machined from the highest quality steel alloy and titanium to suit your needs. The steel heat-treated locks feature a black oxide finish. The titanium valve locks are durable and lightweight. Both types of valve locks are available in several valve stem sizes and heights with either conventional or beadlock groove types.
( 20 )
$4.11
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$187.69
Crower billet performance 7 degree valve stem keepers are precision-machined from premium billet bar stock chromoly steel. They are heat-treated for maximum strength to prevent shoulder shearing (common with stock and lesser-quality keepers). In addition to standard height, They offer .050 in. higher and .050 in. lower keepers to achieve the correct installed spring height. Each variation is color-coded for identification. Serious engine builders should have a complete selection of Crower billet performance 7 degree valve stem keepers on hand at all times.
( 13 )
$75.99
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$84.99
Trick Flow® valve locks are just what you need, whether you are doing and upgrade or a rebuild. These valve locks are either stamped from high-quality steel or machined from hardened chromoly steel for the strength to withstand wear and tear.
( 22 )
$3.99
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$55.99
Whatever you need in a valve lock, Airflow Research can deliver! AFR valve locks are machined from durable chromoly steel. They're available in various valve stem sizes, 7 or 10 degree style, and either conventional or beadlock groove types to suit your application needs.
( 3 )
$4.20
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$55.65
COMP Cams Street valve locks are stock replacement for stock engine rebuilds. They're stamped and hardened for superior wear resistance. Use these steel valve locks for street applications with standard valve spring loads. They're available in a variety of sizes, styles, and quantities.
( 42 )
$6.95
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$200.95
Brodix Cylinder Heads Super valve locks are wider-angled 10 degree locks. They distribute the ever-increasing valve spring loads over the retainer better than typical 7 degree locks by reducing the chance of "pull-through" failure. These valve locks are precision-machined for accuracy and are available for many popular valve sizes with or without a lash cap recess. Brodix Super valve locks are designed to fit any 10 degree retainer and are recommended for all race applications due to their superior strength.
( 1 )
$2.99
PAC Racing valve locks provide a single groove, steel, machined performer for your valvetrain needs.
( 8 )
$5.65
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$201.55
Howards Cams forged steel valve locks are stronger and more accurate than machined steel locks. They're consistent, durable, and American-made. Who could ask for more?
( 21 )
$1.99
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$16.99
Melling replacement valve locks are designed for stock engines with standard retainers and pressure valve springs. Manufactured from stamped steel, they will replace your stock valve locks with no modifications. Rebuilding your valvetrain? Try these Melling replacement valve locks to eliminate any valvetrain failure.
( 8 )
$1.99
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$5.99
Howards Cams machined steel valve locks are precision-machined. They feature a wider angle to better distribute valve spring loads over the retainer than typical locks.
( 2 )
$3.99
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$61.99
Manley LocCap valve locks are designed with high-revving track cars in mind. These valve locks are precision-machined using Manley's TensileMax ultra high-strength steel or high-quality titanium and are through-hardened to minimize wear. The internal retention groove is perfectly matched with Manley's LocCaps, giving you a perfect fit without fail. These valve locks are available for a variety of valve stem configurations. Whether you are racing all-out fuel cars, alcohol, or Pro Mods, you can count on these Manley LocCap valve locks to keep everything in place.
( 2 )
$20.07
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$160.58
BTR valve locks are available in a variety of heights, angles, and designs to fit various LS valvetrain designs, as well as Ford Mod Motor applications. Available in pairs or sets, choose the correct size and quantity needed for your valvetrain.
( 2 )
$2.99
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$49.99
Isky 4140 chromoly split valve locks are super-tough. Heat-treated with the proper taper angle, they grip your valve retainers with greater locking force. These valve locks are suitable for high-rpm racing engines.
( 4 )
$92.99
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$116.99
These Chevrolet Performance valve locks are manufactured from durable steel. Suitable for both production and racing engines, these valve locks are available in a variety of tapered angles, several stem diameters, and groove styles to suit your application.
( 1 )
$3.99
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$24.73
Crower Jumbo Split-Lock 10 degree valve stem keepers are machined from chromoly steel, heat-treated for maximum strength, and designed with a 10 degree taper. They are twice the strength of conventional 7 degree valve stem keepers and are available in various heights for added flexibility in achieving the correct installed spring height.
( 5 )
$7.99
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$81.99
Manley 7 degree machined valve locks are crafted from hardened steel or high-quality alloy steel. Designed for mildly modified engines, these valve locks are heat-treated for strength and are available in conventional or beadlock groove style. Choose the valve stem diameter needed for your application, and order the quantity needed for your valve project.
( 3 )
$4.05
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$148.16
Edelbrock valve stem locks are made from top-quality steel, black-oxided for maximum strength. Get durable performance from heat-treated, machined (HTM) 7 degree valve stem locks designed for use with Edelbrock retainers.
( 6 )
$58.95
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$88.95
Manley Super 7 degree valve locks maintain the superior clamping properties of their original 7 degree valve locks, but overcome their extrusion problem with increased lock thickness. Manley supports both 10 and 7 degree systems with the highest quality locks and retainers in the industry, manufactured of both steel and titanium.
( 5 )
$4.64
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$187.69
Crown Automotive valve locks are keepers! The stamped steel parts are small but necessary, and offer the proper fit and function you expect and need. Their engine valve spring retainer locks are available for many specific Jeep, Dodge, Ram, Chrysler applications.
Not Yet Reviewed
$1.99
—
$4.99
Dart valve locks are precision-crafted and machined from the highest quality steel alloy or titanium to suit your needs. The steel valve locks are heat-treated and feature a black oxide finish. The titanium valve locks are durable and lightweight. Both types of Dart valve locks are available in several valve stem sizes and heights with either conventional or beadlock groove types. If you're rebuilding your Dart heads, try these Dart valve locks for maximum durability.
( 2 )
$1.07
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$2.91
Stamped from alloy steel and heat-treated for superior wear resistance, these Howards Cams heat-treated valve locks outperform OE-style keepers. They're available in a choice of sizes to suit your needs.
( 1 )
$16.99
—
$50.99
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