Comp Cams Xtreme Energy XR276HR Hydraulic Roller Cam CCA-51-423-11

Product Rating:

Currently 5/5 Stars

SKU: CCA-51-423-11

Lift with 1.5 ratio rockers: .502/.510
Lift with 1.65 ratio rockers: .552/.561
Duration: 276°/282°
Lobe Separation Angle: 110°
RPM Range: 1800-5600

Availability:

Pricing: $608.95

Customize Your Item

We recommend a Polymer Gear on all Hyd. Roller Applications. 0.491 (Use with Factory GM HEI / Points & Mallory / Mallory Must Be Drilled for Larger Dia Pin), .500, for MSD, Pertronix, FAST, and Holley Dist Only

Choose your Polymer Distr. Gear

- Choose your Polymer Distr. Gear -

* required

Aftermarket Valley pans or modifications of factor valley pan will be necessary when converting to Hyd Roller due to clearance issues

Choose Valley Pan Option

- Choose Valley Pan Option -

* required

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Description
Details
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Reviews

Description

Benefits:
•	Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
•	More vacuum allows a step up in duration for greater performance
•	Best seller; excellent all around performance in street carbureted applications
Important Considerations:
•	Work best with COMP Cams® roller rockers and matched valve springs
•	Require other performance parts (intake manifold, headers, etc.) for best performance

Butler Tech Library

Choosing the Right Hydraulic Roller Cam

Match the grind to your power goal, your heads, and your converter, then dial in lobe separation for the sound, vacuum, and drivability you actually want. Our guide walks through every Butler grind.

Read the Cam Guide ›

Also HelpfulHyd Roller Lifter Specs ›Get a Cam Recommendation ›

Details

SKU: CCA-51-423-11
Stock #: CCA-51-423-11
Brand: Comp Cams
Availability Remarks:
Condition: New

Shipping Information

Requires Shipping: Item Requires Shipping
Weight: 10.0 lbs.
Shipping: Free Shipping!

Customer Reviews

Total Reviews (1)

Very happy with power output

Currently 5/5 Stars

Reviewed by: Steven06/15/2023 04:46PM

Product ownership: A year or longer

Not purchased from: Butler Performance Inc.

Comments:
Running this cam in a Pontiac 350 Stroker (4.25" crank) bored .060 over with 6X-4 heads and Edelbrock Torker I manifold. Produced 442 Lb Ft@4300 RPM and 453 HP@5600 RPM on dyno. Sounds great as well!
https://www.youtube.com/watch?v=nxDtH_76piU

https://www.youtube.com/watch?v=cfso2r9udv8

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