What is the lift and duration for this camshaft?

This COMP Cams Xtreme Energy camshaft has an intake duration of 224 degrees and an exhaust duration of 230 degrees at .050 inch lift. The corresponding lift figures are .496 inches for the intake and .512 inches for the exhaust.

What vehicles does this camshaft fit?

This camshaft is designed for AMC V8 engines, specifically the 290, 304, 343, 360, 390, and 401 cubic inch displacements. It fits a broad range of American Motors and Jeep vehicles from the late 1960s to the early 1990s.

Does this camshaft come with lifters or other installation hardware?

This product is for the camshaft only. It is recommended to use new lifters and follow the manufacturer's installation instructions, which may include other necessary components for proper setup and break-in.

COMP Cams Xtreme Energy XE276HR-10 Hydraulic Roller Camshaft

Name: COMP Cams Camshaft A8 XE276HR-10
Brand: COMP Cams
Price: 661.71 USD
Availability: InStock

COMP Cams Camshaft A8 XE276HR-10

$661.71

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 XE276HR-10 hydraulic roller camshaft. Offers a noticeable idle with improved mid-range and top-end power.

Key Features

Fits AMC 290, 304, 343, 360, 390 and 401 V8 engines.
Hydraulic roller camshaft design for reduced friction and improved performance.
Intake duration at .050 inch lift is 224 degrees; exhaust duration is 230 degrees.
Intake lift is .496 inches; exhaust lift is .512 inches.
Provides a noticeable idle with improved mid-range and top-end power.
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

This is the COMP Cams Xtreme Energy XE276HR-10 hydraulic roller camshaft, designed for AMC V8 engines from 290 to 401 cubic inches. You'll get a noticeable idle along with improved mid-range and top-end power from this camshaft. It's a well-built component that can make a significant difference in how your engine performs, especially if you're looking to get more out of your classic AMC or Jeep vehicle.

The XE276HR-10 features a 224/230 degree intake/exhaust duration at .050 inch lift, and a .496/.512 inch lift. These specifications are chosen to provide a strong combination of power across a wide RPM range, making it suitable for street performance applications. As a hydraulic roller camshaft, it offers reduced friction and wear compared to flat tappet designs, contributing to its longevity and performance potential. This camshaft is designed to fit a wide range of American Motors and Jeep vehicles, including models like the Jeep CJ series, Wagoneer, and various AMC cars from the late 60s through the early 80s.

When installing a camshaft like this, it's important to follow the manufacturer's recommended procedures, which often include using new lifters, checking valve springs, and ensuring proper break-in. This camshaft is not CARB approved and cannot be shipped to California. It's a solid option for enthusiasts looking to enhance the performance of their AMC-powered vehicle.