What is the purpose of valve lock keepers?

Valve lock keepers, also known as valve collets, are small components that fit into a groove on the valve stem. They work with the valve spring retainer to hold the entire valve spring assembly in place, ensuring the valve operates correctly within the engine.

What does '.3415 +.050 B/L' mean?

This refers to the valve stem diameter the keeper is designed for. '.3415' is the base diameter, and '+.050' indicates that these keepers are intended for valve stems that are 0.050 inches larger than the base size, often used in engine rebuilding or performance applications.

Are these keepers sold individually or as a set?

This product is sold as a set of valve lock keepers, providing enough for multiple valves in an engine. Please refer to the product details for the exact quantity included in the set.

Specifications

Brand: Manley Performance
Part #: 13062-8
UPC: 807298063928

Manley Valve Lock/Keeper, LOC-S7 .3415 +.050 B/L

Name: Manley Valve Lock/Keeper, LOC-S7 .3415 +.050 B/L
Brand: Manley Performance
SKU: manley-performance-manley-valve-lock-keeper-loc-s7-3415-050-b-l-t14-880395
Price: 60.40 USD
Availability: BackOrder

$60.40

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Manley Performance valve lock keepers. These are .050 inch oversize for a .3415 inch valve stem.

Key Features

This product includes Manley Performance valve lock keepers.
Model: LOC-S7
Designed for valve stems measuring .3415 inches in diameter.
These keepers are .050 inches oversize.
Ensures secure attachment of the valve spring retainer to the valve stem.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

This product includes a set of Manley Performance valve lock keepers, specifically the LOC-S7 model. These keepers are designed to work with valve stems that measure .3415 inches in diameter and are .050 inches oversize. They are a crucial component for securing the valve spring retainer to the valve stem, ensuring proper valve train operation.

Manley Performance is known for well-built engine components, and these valve lock keepers are no exception. They are made to precise specifications to ensure a secure fit and reliable performance in your engine build. Using the correct size keepers is important for maintaining valve seal and preventing catastrophic engine failure.