What kind of idle can I expect with this camshaft?

This COMP Cams camshaft is designed for street performance and will produce a mild to rough idle. This is typical for camshafts with this duration and intended use.

What other parts are recommended to get the most out of this camshaft?

For optimal performance, it is recommended to use this camshaft with an aftermarket intake manifold and headers. It also pairs well with a 4-speed transmission and rear gear ratios between 3.40 and 4.10.

Is this camshaft street legal in all states?

No, this camshaft is not CARB approved and cannot be shipped to California. Always check local emissions regulations for your specific vehicle and location.

COMP Cams Hydraulic Roller Camshaft 31-442-8

Name: COMP Cams Camshaft FS 284Rf-HR10
Brand: COMP Cams
SKU: comp-cams-comp-cams-camshaft-fs-284rf-hr10-t14-4391537
Price: 610.14 USD
Availability: BackOrder

COMP Cams Camshaft FS 284Rf-HR10

$610.14

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 Magnum 224/224 Hydraulic Roller Camshaft for Ford Small Block 221-302 engines. Mild/rough idle for street machines.

Key Features

Fits Ford 221, 255, 260, 289 and 302 Small Block engines.
Hydraulic roller design for reduced friction and improved performance.
224 degrees intake duration at 0.050 inch lift.
224 degrees exhaust duration at 0.050 inch lift.
Designed for street machines and limited high-performance street use.
Recommended with aftermarket intake and headers.

This camshaft is designed to fit Ford 221, 255, 260, 289, and 302 small block engines. It is not CARB approved and cannot be shipped to California.

⚠️ 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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Product Details

This COMP Cams Magnum camshaft features a 224-degree intake and 224-degree exhaust duration at 0.050 inch lift, making it a solid choice for street machines and limited high-performance street use in Ford 221, 255, 260, 289, and 302 small block engines. The hydraulic roller design means less friction and more consistent valve lift compared to flat tappet cams, which is crucial for maintaining performance and longevity in these applications.

To get the most out of this camshaft, it’s best paired with aftermarket intake manifolds and headers, and it really shines with a 4-speed transmission and gear ratios between 3.40 and 4.10. You can expect a mild to rough idle, which is characteristic of cams with this duration and intended for performance-oriented street builds. This camshaft is designed to fit right into your Ford small block, offering an improved powerband for spirited driving without requiring a full race setup.

When installing this camshaft, remember that it is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper procedure, including any specific break-in requirements for hydraulic roller camshafts to ensure optimal performance and durability.