What kind of idle sound can I expect from this camshaft?

This COMP Cams Thumpr camshaft is specifically designed to produce a choppy or thumping idle sound. It's a signature characteristic for those seeking a high-performance street aesthetic for their HEMI engine.

Do I need to upgrade my torque converter and valve springs?

While this camshaft can function with a stock torque converter, it performs best with a converter rated for 2000+ RPM stall speeds. You absolutely must use upgraded valve springs, as stock springs are not sufficient for this camshaft's operation.

Which specific Dodge and Plymouth models does this camshaft fit?

This camshaft fits a range of 1966-1971 Dodge and Plymouth models equipped with the 426 HEMI engine, including the Dodge Challenger, Dodge Charger, Dodge Coronet, Plymouth Cuda, Plymouth GTX, and Plymouth Road Runner.

COMP Cams Camshaft 24-600-5 for Chrysler 426 HEMI

Name: COMP Cams Camshaft Crh 279T H-107 T Thu
Brand: COMP Cams
SKU: comp-cams-comp-cams-camshaft-crh-279t-h-107-t-thu-t14-4391280
Price: 378.83 USD
Availability: BackOrder

COMP Cams Camshaft Crh 279T H-107 T Thu

$378.83

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 camshaft for Chrysler 426 HEMI. Features a choppy/thumping idle for high-performance street use.

Key Features

Fits 1966-1971 Dodge and Plymouth vehicles with a 426 HEMI engine.
Features a 227-degree intake duration and 241-degree exhaust duration.
Designed for high-performance street use with a choppy/thumping idle.
Works with stock torque converters, but best results are achieved with a 2000+ RPM stall converter and gears.
Requires upgraded valve springs; stock springs cannot be used.
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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Will this fit your vehicle?

Product Details

Starting with a 227-degree intake and 241-degree exhaust duration, this COMP Cams Thumpr camshaft is built for the Chrysler 426 HEMI engine. It's designed to give you that high-performance street sound with a noticeable choppy or thumping idle that many enthusiasts look for. While it can work with a stock torque converter, you'll get the best results and an improved driving experience when paired with a 2000+ RPM stall converter and appropriate gearing.

This camshaft is a well-built option for those looking to enhance the performance and sound of their classic Mopar muscle car. It's specifically tuned for the 426 HEMI, offering a significant upgrade over stock. Keep in mind that stock springs are not sufficient for this camshaft; you'll need to use stronger aftermarket springs to ensure proper operation and longevity.

This camshaft fits a range of iconic vehicles, including the Dodge Challenger (1970-1971), Dodge Charger (1966-1971), and Plymouth Cuda (1970-1971), among others. It's a popular choice for street-driven HEMI applications where a distinctive idle and improved performance are desired.