What is required for installation and optimal performance with this camshaft?

This camshaft requires a cam phaser upgrade and custom tuning to operate correctly and achieve its performance potential. It also benefits from an upgraded torque converter and a gear change for enhanced power delivery.

Will this camshaft work with my stock valve springs?

Yes, this Mutha' Thumpr camshaft is designed to work with your vehicle's stock valve springs, which can simplify the installation process.

What kind of idle can I expect with this camshaft?

This is an aggressive camshaft designed for maximum upper RPM power, and as such, it will produce a rough idle. This is a common characteristic of high-performance cams pushing the limits of stock cylinder heads.

COMP Cams Mutha' Thumpr Camshaft Set 127020

Name: COMP Cams Camshaft Set F4.6 3V Mod. MT2
Brand: COMP Cams
Price: 1109.72 USD
Availability: InStock

COMP Cams Camshaft Set F4.6 3V Mod. MT2

$1109.72

Only 6 left in stock

COMP Cams Mutha' Thumpr NSR 234/254 Hydraulic Roller Camshaft Set for Ford 4.6L/5.4L 3V Modular engines. Offers significant power gains above 4900 RPM.

Key Features

Fits a wide range of Ford, Lincoln, and Mercury vehicles with 4.6L and 5.4L 3-Valve Modular engines.
Features a 234/254 duration profile for aggressive performance.
Designed for significant power gains above 4900 RPM.
Compatible with stock valve springs.
Requires a cam phaser upgrade and custom tuning for optimal performance.
Produces a rough idle, characteristic of high-performance camshafts.

⚠️ 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

This is the COMP Cams Mutha' Thumpr NSR 234/254 Hydraulic Roller Camshaft Set, designed for Ford's 4.6L and 5.4L 3-Valve Modular engines. If you're looking to extract serious power from your engine, especially in the upper RPM range, this camshaft is a popular choice for pushing the limits of stock cylinder heads. It's built to deliver a noticeable increase in performance, particularly when your engine is working hard above 4900 RPM.

This camshaft is engineered to work with your stock valve springs, which can simplify installation. However, to really unlock its potential and ensure proper operation, it's recommended to pair it with an upgraded torque converter and a gear change. Crucially, this cam requires a cam phaser upgrade to manage the timing accurately and a custom tune to optimize the engine's performance and drivability. Expect a rough idle with this aggressive profile; it's designed for maximum output rather than quiet operation.

This camshaft set fits a wide range of Ford, Lincoln, and Mercury vehicles, including popular models like the Ford F-150, Ford Mustang, and Lincoln Navigator. While it offers substantial power gains, remember that it is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for details on the cam phaser upgrade and custom tuning requirements.