What is the purpose of the tang on a valve lock?

The tang on a valve lock is primarily for temporary positioning. It holds the lock, retainer, and spring in place until the retainer's taper engages with the lock, creating the main clamping force.

How do I know if these valve locks are the correct size for my valves?

When properly seated on the valve stem, there should be a small gap between the two halves of the valve lock. If the halves fit together without a gap, they are too large. If they fit tightly to the stem and leave a gap around the stem's outer diameter, they are too small.

Are these valve locks suitable for high-performance street applications?

These are machined steel locks with a 7-degree taper and are stamped and hardened for wear resistance. They are recommended for street applications with lighter valve spring loads.

COMP Cams 7 Degree Valve Locks Set of 100

Name: COMP Cams Valve Locks 7 Deg W/5.5MM Ste - Set of 100
Brand: COMP Cams
SKU: comp-cams-comp-cams-valve-locks-7-deg-w-5-5mm-ste-set-of-100-t14-4393188
Price: 250.39 USD
Availability: BackOrder

COMP Cams Valve Locks 7 Deg W/5.5MM Ste - Set of 100

$250.39

On Backorder

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

COMP Cams 7 degree valve locks for 5.5mm stems. Set of 100. Machined steel construction for improved durability.

Key Features

Fits 5.5mm valve stems.
Set includes 100 valve locks.
Features a 7-degree taper for the retainer.
Machined steel construction for improved wear resistance.
Designed to work with the collet effect for secure valve spring retention.

These valve locks are designed for 5.5mm valve stems and a 7-degree retainer angle. Check your specific engine build requirements to confirm compatibility.

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Product Details

When you're rebuilding an engine, especially one that's going to see some action, the small parts really matter. These COMP Cams 7 degree valve locks are a key piece of that puzzle. They work with the valve retainer to keep everything securely in place on the valve stem, even under significant spring pressure. The design relies on a collet effect, where the retainer’s taper locks onto the outside of the valve lock, creating a strong grip that tightens as spring force increases.

This set includes 100 machined steel locks, designed for 5.5mm valve stems and featuring a 7-degree taper. The tang on the lock isn't what holds the retainer; its job is just to position the lock until the retainer's taper engages. COMP Cams uses hardened steel for these locks, which helps them stand up to wear over time. It's important that the locks fit correctly – there should be a small gap between the two halves when properly seated on the valve stem. If they fit flush, they're too large, and if they leave a gap around the stem, they're too small.