What is the recommended oil for this camshaft?

This is a solid flat tappet camshaft. It requires engine oil with adequate ZDDP (zinc) content to properly lubricate the flat tappets during the break-in period and beyond. Check your oil manufacturer's specifications.

What kind of performance gains can I expect?

This camshaft is designed to provide a strong mid-range power increase, making it suitable for street/strip applications. It works best when paired with a higher stall torque converter (2800+ RPM) and a 9.5:1 compression ratio.

Does this camshaft come with lifters?

This camshaft is sold as a single component and does not include lifters. You will need to purchase compatible solid flat tappet lifters separately.

COMP Cams Camshaft CRB XE274S-10 21-231-4

Name: COMP Cams Camshaft CRB XE274S-10
Brand: COMP Cams
Price: 330.15 USD
Availability: InStock

COMP Cams Camshaft CRB XE274S-10

$330.15

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 Xtreme Energy camshaft for Chrysler 383-440 engines. Offers strong mid-range power for street/strip builds.

Key Features

Fits Chrysler B/RB 383, 400, 413, 426 Wedge, and 440 engines.
Xtreme Energy XE lobe profile for improved performance.
Duration: 236 degrees intake, 242 degrees exhaust.
Designed for street/strip use with 9.5:1 compression and 2800+ stall converter.
Provides strong mid-range power.
Solid flat tappet design.

⚠️ 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 COMP Cams Xtreme Energy camshaft features a 236/242 degree duration split, designed to give your Chrysler B or RB series engine a strong mid-range pull. It's built for serious street and strip applications, and works well with a 9.5:1 compression ratio and a torque converter with a 2800+ RPM stall speed. This camshaft fits a wide range of Chrysler, Dodge, and Plymouth vehicles from the late 50s through the late 70s, including popular models like the Dodge Charger, Plymouth Barracuda, and Chrysler New Yorker.

The XE lobe profile is a key part of what makes this camshaft perform. It allows for more aggressive valve lift and duration compared to stock cams, which helps your engine breathe better and make more power, especially in the RPM range where you'll be using it most on the street or at the track. When installing this camshaft, remember that it's a solid flat tappet design, so proper break-in procedures are crucial to ensure its longevity. You'll want to make sure your oil has adequate zinc content to protect the flat tappets during the initial run-in period.