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COMP Cams 24-711-11 Xtreme Energy Hydraulic Roller Camshaft Chrysler Hemi - 236/242 426

Part of: COMP Cams Xtreme Energy Hydraulic Roller Camshaft GM

Other options in this family: COMP Cams 08-500-8 COMP Cams 20-811-9 COMP Cams 20-810-9 COMP Cams 07-503-8 COMP Cams 12-408-8

Manufacturer

Picture for manufacturer COMP Cams

Part Number

24-711-11
13 reviews
Sale Price

$608.95

1 left at this price

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Usually delivered within 2 days

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Product Details

The COMP Cams Xtreme Energy hydraulic roller camshaft is engineered to deliver significant performance gains for Chrysler 426 Hemi engines while maintaining excellent street manners. With 236/242 duration specs, this camshaft features an aggressive Xtreme Energy profile that opens valves more quickly than traditional grinds, creating more area under the lift curve for improved cylinder filling and power production.

Key Features:

  • Xtreme Energy profile with accelerated valve opening for increased engine responsiveness
  • 236/242 duration specification optimized for Chrysler 426 Hemi applications
  • Hydraulic roller design for reduced friction and improved durability
  • Maintains adequate vacuum for power brakes and vacuum-dependent accessories
  • Delivers measurable gains in torque and horsepower across the RPM range
  • Street-friendly design preserves driveability and daily driving comfort

This camshaft performs well in carbureted setups but achieves optimal results when paired with aftermarket intake manifolds, headers, free-flowing exhaust systems, and lower rear gear ratios. The Xtreme Energy family bridges the gap between mild street cams and aggressive race grinds, making it an excellent choice for enthusiasts seeking maximum performance without compromising reliability or street manners in their 426 Hemi build.

Products specifications

Advertised Intake Duration

286

Basic Operating RPM Range

2,500-6,200

Grind Number

XR286HR-10

Exhaust Valve Lift

0.548

Intake Valve Lift

0.569

Engine Family

Chrysler 426 HEMI 8 Cylinder (1966-1971)

Usage

Street/Performance

Assembly Lubricant Included

No

Lifters Included

No

LOBE SEPARATION

110

Valve Springs Required

Yes

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for On-Road Vehicles?

No

C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?

Yes, but must be a race/competition only vehicle.

C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

Camshaft Gear Attachment

3-Bolt

Lifter Type

Hydraulic Roller

Exhaust Duration at .050 inch Lift

242

Intake Duration at .050 Inch Lift

236

Cam Type

Hydraulic Roller

Camshaft Material

Billet Steel

Advertised Exhaust Duration

294

Camshaft Series

Xtreme Energy

So far

It was fast and easy thank you

Easy site to use and nice connection to Amazon.

Great business, fast shipping. I received the item in about 2-3 days.

I wanted a hard to find item, door handle chrome trim for my Mercury. Not only did they have it, but the price was the best online with shipping. It was sent out fast, I'm very pleased, 5 STAR service!

It all was simple and straightforward. I hope ordered the correct parts and it comes promptly, it should help my old car a lot!

Have what I needed n as easy as 1-2-3

So far so good

Received product very fast great condition packaged well would recommend to friends will definitely come back to buy. A+ company

2nd of many future purchases!

The cheapest price on the net and very fast shipping. I received my items in 3 days and they were delivered on a Saturday to make things even better. <br><br>Will be using these guys again real soon.

Awesome and very easy

the amazon payment did not work; hope I don't get double billed since I went with paypal afterwards. Meanwhile, I could not verify that my amazon order is cancelled/never placed.

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