What material are these valve lock keepers made from?

These Manley valve lock keepers are made from titanium. This material is chosen for its strength and light weight, which is beneficial for high-performance engine builds.

What size valve stems do these keepers fit?

These keepers are designed to fit valve stems that are 8mm or .3135 inches in diameter. They feature a 10-degree lock angle.

Are these keepers sold individually or as a set?

The Manley Performance part number 13153T-16 includes 16 valve lock keepers, which is typically enough for a standard 8-cylinder engine.

Specifications

Brand: Manley Performance
Part #: 13153T-16
UPC: 807298082479

Manley Valve Lock/Keeper, LOC-TI 10 DEG 8mm/.3135

Name: Manley Valve Lock/Keeper, LOC-TI 10 DEG 8mm/.3135
Brand: Manley Performance
SKU: manley-performance-manley-valve-lock-keeper-loc-ti-10-deg-8mm-3135-t14-880434
Price: 234.91 USD
Availability: BackOrder

$234.91

On Backorder

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

Manley valve lock keepers. LOC-TI 10 DEG 8mm/.3135.

Key Features

Fits 8mm or .3135-inch valve stems.
Features a 10-degree lock angle.
Constructed from titanium for a strong and lightweight design.
Designed for secure valve spring and retainer retention.

⚠️ 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

These Manley LOC-TI valve lock keepers are made from titanium, a strong and lightweight material often chosen for high-performance engine builds. They feature a 10-degree lock angle and are designed for 8mm or .3135-inch valve stems, making them a solid choice for engine work where precise valve train control is critical.

The titanium construction helps reduce overall valvetrain weight, which can lead to improved engine response and durability under stress. This specific design is intended to securely hold your valve springs and retainers in place, ensuring proper valve operation. They are well-built to handle the demands of performance engines.