What is a retro-fit hydraulic roller camshaft?

A retro-fit hydraulic roller camshaft uses roller lifters and rocker arms instead of traditional flat tappets. This design reduces friction, allows for more aggressive cam profiles, and generally leads to better valvetrain stability and durability, especially at higher RPMs.

What kind of idle can I expect with this camshaft?

This camshaft is designed for Pro Street applications and has a very rough idle. This is typical for aggressive camshafts with significant duration, indicating its performance-oriented nature.

What other components are recommended for installing this camshaft?

For optimal performance and reliability, it's recommended to pair this camshaft with appropriate valve springs, pushrods, and rocker arms that match its specifications. Always consult the manufacturer's installation guide for detailed recommendations.

COMP Cams Hydraulic Roller Camshaft 20-814-9

Name: COMP Cams Camshaft CRS XR292HR-10
Brand: COMP Cams
Price: 641.25 USD
Availability: InStock

COMP Cams Camshaft CRS XR292HR-10

$641.25

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COMP Cams Xtreme Energy XR292HR-10 hydraulic roller camshaft for Chrysler LA 273-360 engines. Designed for Pro Street with a very rough idle.

Key Features

Fits Chrysler 273, 318, 340 and 360 LA engines.
Xtreme Energy XR292HR-10 camshaft profile.
Hydraulic roller design for reduced friction and improved valvetrain stability.
Intake duration: 242 degrees, Exhaust duration: 248 degrees.
Designed for Pro Street applications with 4.10 gears and 3000+ stall converters.
Requires approximately 10:1 compression ratio.

⚠️ 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

With intake and exhaust duration figures of 242 and 248 degrees respectively, this COMP Cams Xtreme Energy XR292HR-10 camshaft is built for serious performance in Chrysler LA-series engines. It's a retro-fit hydraulic roller design, meaning it uses roller lifters and rocker arms for reduced friction and improved valvetrain stability compared to flat tappet cams. This cam is intended for Pro Street applications and works best with a 4.10 gear ratio and a torque converter with a 3000+ RPM stall speed, paired with around 10:1 compression. Expect a very rough idle, which is characteristic of cams with this much duration, signaling its aggressive nature.

This camshaft is designed to fit a wide range of Chrysler, Dodge, and Plymouth vehicles from the mid-1960s through the late 1980s, including popular models like the Dodge Challenger, Plymouth Barracuda, and Chrysler Cordoba. The hydraulic roller design offers a significant advantage in terms of durability and the ability to achieve higher RPMs reliably. It's a substantial upgrade for anyone looking to build a high-performance engine for street use where a noticeable idle is part of the appeal.

When installing this camshaft, ensure your engine is set up to handle its aggressive profile. This includes having the correct valve springs, pushrods, and rocker arms to match the cam's specifications. It's also important to note that this camshaft is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper setup and break-in procedures.