What is the purpose of the different keyways on the crankshaft sprocket?

The three keyways on the steel crankshaft sprocket allow you to adjust the engine timing by -4, 0, or +4 degrees. This provides flexibility during engine tuning to optimize performance.

What is the function of the Torrington bearing or brass wear shim?

The Torrington bearing or brass wear shim is included with the camshaft sprocket to manage thrust loads. This helps ensure smooth operation and reduces wear on the timing components.

Why is this timing chain kit described as 'short'?

This timing chain kit is .005 inches shorter than a standard or stock timing chain kit. This specific dimension can be important for certain engine builds where precise spacing is required.

Specifications

Brand: Manley Performance
Part #: 73191
UPC: 807298016382

Manley Race Roller Timing Chain Kit - Small Block Chevrolet - Torrington - Short

Name: Manley Race Roller Timing Chain Kit - Small Block Chevrolet - Torrington - Short
Brand: Manley Performance
SKU: manley-performance-manley-race-roller-timing-chain-kit-small-block-chevrolet-tor-t14-881752
Price: 143.92 USD
Availability: BackOrder

$143.92

On Backorder

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Manley Performance roller timing chain kit for Small Block Chevy. Features a steel crank sprocket and Torrington bearing.

Key Features

Fits Small Block Chevrolet engines.
Features a double roller chain with .250" diameter rollers.
Includes a steel crankshaft sprocket with three keyways for -4, 0, or +4 degrees of timing adjustment.
Comes with a cast camshaft sprocket and a Torrington thrust bearing or brass wear shim.
This kit is .005 inches shorter than stock.

⚠️ 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

Manley Performance is known for making strong internal engine components, and this roller timing chain kit for Small Block Chevrolet engines is no exception. This kit helps you precisely set your engine's timing, which is crucial for getting the most out of your build. It uses a double roller chain with .250" diameter rollers for durability and reliable timing transfer.

You get a fully machined steel crankshaft sprocket that comes with three keyways. This lets you adjust your timing by -4, 0, or +4 degrees, giving you flexibility when tuning your engine. The camshaft sprocket is cast and includes a Torrington thrust bearing, or a brass wear shim depending on the specific application, to manage the thrust loads and ensure smooth operation. This kit is designed to be .005 inches shorter than stock, which can be important for specific engine builds.