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COMP Cams 11-679-5 Xtreme Energy Solid Flat Tappet Camshaft Big Block Chevy - 396-454

(Chevrolet Camaro 1967-72, Corvette 1966-74, Impala 1965-76, Malibu 1966-67, 1973-75, C1500 1990-93, Chevelle 1965-73, Blazer 1973-74 + 106 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

11-679-5
4 reviews
Sale Price

$325.95

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Product Details

The COMP Cams Xtreme Energy 11-679-5 is a high-performance solid flat tappet camshaft designed specifically for Chevrolet Big Block engines ranging from 396 to 454 cubic inches. This camshaft delivers an aggressive performance profile with 252 degrees of advertised intake duration and 260 degrees of advertised exhaust duration, making it ideal for street/strip applications where maximum power and throttle response are priorities.

Key Specifications:

  • Intake Duration: 252 degrees advertised
  • Exhaust Duration: 260 degrees advertised
  • Camshaft Type: Solid (mechanical) flat tappet
  • Application: Chevrolet Big Block 396, 402, 427, and 454 engines
  • RPM Range: 2,500-6,500 RPM (optimal power band)
  • Valve Lift: Requires compatible lifters and rocker arms for proper operation

Performance Features:

  • Xtreme Energy lobe profile for aggressive performance characteristics
  • Solid lifter design eliminates hydraulic bleed-down for precise valve control
  • Split-duration design optimizes exhaust scavenging
  • Ideal for engines with increased compression ratios and performance cylinder heads
  • Excellent choice for muscle car restoration and street performance builds

This camshaft requires periodic valve lash adjustment and works best with aftermarket valve springs, performance intake manifolds, and headers. Recommended for vehicles with manual transmissions and higher-than-stock stall speed converters in automatic applications. Professional installation and proper break-in procedures are essential for solid flat tappet camshafts.

Products specifications

Fits

Chevrolet Camaro 1967-72, Corvette 1966-74, Impala 1965-76, Malibu 1966-67, 1973-75, C1500 1990-93, Chevelle 1965-73, Blazer 1973-74, C10 Pickup 1968-80, Caprice 1966-76, C10 1975-81, El Camino 1966-75, Monte Carlo 1970-75 + 101 more models

Advertised Intake Duration

290

Grind Number

XS290S

Lifter Type

Solid Flat Tappet

Basic Operating RPM Range

2,800-7200

Intake Duration at .050 Inch Lift

252

Exhaust Duration at .050 inch Lift

260

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL11-679-5

K-Kit Upgrade

K11-679-5

SK-Kit Upgrade

SK11-679-5

Cam Type

Solid Flat Tappet

Usage

Street/Performance

Assembly Lubricant Included

Yes

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

AMAZON ASIN

B000P5G5O0

Advertised Exhaust Duration

298

Intake Valve Lift

0.598

Exhaust Valve Lift

0.598

Engine Family

Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)

Camshaft Series

Xtreme Energy

Good fast shipping. Easy ordering.

Best price I've found for this part.

Fantastic ! Ordered a Weather Tech Cargo Liner for my 2012 Ford Explorer. Price was $60 less here than ALL other sites on web. I was skeptical that this was going to be a counterfeit -- as the price was too good to be true. I was extremely happy to receive the genuine product as I expected in less than a week -- and for $60 less than the competitors ! GREAT VALUE and great service ! I will definitely be back !!

Wow Super fast shipping, right product, no hassle no fuss. just how i like it. good job autoplicity keep it up.

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