What kind of idle can I expect with this camshaft?

This COMP Cams Thumpr camshaft is designed to produce a noticeable choppy and thumping idle. It's a popular characteristic for performance street applications.

What else might I need to install this kit?

The kit includes the camshaft, lifters, assembly lube, decals, and instructions. You will likely need engine oil, an oil filter, and potentially new valve springs and retainers depending on your current setup.

Will this camshaft work with my stock torque converter?

Yes, this camshaft is designed to work with a stock torque converter for street use. However, for optimal performance, COMP Cams recommends using a 2000+ RPM stall converter and appropriate rear-end gearing.

COMP Cams Cam & Lifter Kit FS 279T H-10 CL31-601-5

Name: COMP Cams Cam & Lifter Kit FS 279T H-10
Brand: COMP Cams
Price: 491.03 USD
Availability: InStock

COMP Cams Cam & Lifter Kit FS 279T H-10

$491.03

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

COMP Cams Cam & Lifter Kit FS 279T H-10. Upgrades your Ford small block for a choppy idle and improved performance.

Key Features

Fits Ford 221, 255, 260, 289 and 302 Small Block engines.
Features a 227/241 hydraulic flat tappet camshaft for a choppy, thumping idle.
Designed for high-performance street use with stock or upgraded torque converters.
Kit includes camshaft, lifters, assembly lube, decals, and instructions.
This is a COMP Cams Thumpr series camshaft and lifter kit.

⚠️ 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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Will this fit your vehicle?

Product Details

If you're looking to give your Ford small block engine a more aggressive sound and feel, this COMP Cams Thumpr Cam and Lifter Kit is a solid choice. It's designed for Ford 221, 255, 260, 289, and 302 cubic inch engines, commonly found in classic Mustangs, Fairlanes, and many other Ford vehicles from the 60s and 70s.

This kit includes a camshaft with a 227-degree intake and 241-degree exhaust duration, which is what gives it that signature choppy, thumping idle that performance enthusiasts often look for. It's set up for a high-performance street application and works well with a stock torque converter, though it really shines with a 2000+ RPM stall converter and appropriate gearing. The kit comes complete with the camshaft, lifters, assembly lube, decals, and instructions, so you have most of what you need to get started on the installation.

When installing this kit, remember that it's intended for performance use and will result in a noticeable idle lope. Make sure to follow the included instructions carefully for proper break-in and operation.