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COMP Cams CL11-550-5 Magnum Marine Solid Flat Tappet Cam and Lifter Kit for Chevy Big Block 396-454

(Chevrolet Camaro 1967-72, Corvette 1967-74, Impala 1967-76, Malibu 1967, 1973-75, C1500 1990-93, Chevelle 1967-73, Blazer 1973-74 + 104 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

CL11-550-5
10 reviews
Sale Price

$410.10

Estimated ship date Friday, November 20

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Product Details

The COMP Cams CL11-550-5 Magnum Marine camshaft and lifter kit is specifically engineered for Chevrolet Big Block 396-454 marine applications. This hydraulic flat tappet camshaft delivers a balanced performance profile with 235° intake duration and 242° exhaust duration, optimized for the unique demands of marine engines including sustained high-load operation and excellent low-end torque.

Key Features:

  • Designed specifically for marine Chevrolet Big Block 396-454 engines
  • 235° intake / 242° exhaust duration for broad powerband
  • Solid flat tappet design for durability in marine environments
  • Complete kit includes camshaft, lifters, assembly lube, decals, and installation instructions
  • Magnum series profile optimized for marine use with extended valve events
  • Provides improved throttle response and mid-range torque for marine applications

This complete kit provides everything needed for camshaft installation, including premium assembly lubricant to ensure proper break-in and long service life. The Magnum Marine series is specifically calibrated to handle the continuous high-load conditions and corrosive environment typical of marine applications while delivering reliable performance across the RPM range.

Products specifications

Fits

Chevrolet Camaro 1967-72, Corvette 1967-74, Impala 1967-76, Malibu 1967, 1973-75, C1500 1990-93, Chevelle 1967-73, Blazer 1973-74, C10 Pickup 1968-74, Caprice 1967-76, C10 1975-80, El Camino 1967-75, Monte Carlo 1970-75 + 99 more models

Advertised Exhaust Duration

280

Basic Operating RPM Range

2,500-6,500

Lifter Type

Solid Flat Tappet

Exhaust Valve Lift

0.575

Intake Valve Lift

0.561

Kit Type

Cl-Kit - Cam and Lifter Kit

Camshaft Material

Cast Iron

Camshaft Series

Magnum Marine

Cam Type

Solid Flat Tappet

AMAZON ASIN

B001GEPC4S

Assembly Lubricant Included

Yes

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.

Gaskets Included

No

Advertised Intake Duration

270

Camshaft Gear Attachment

3-Bolt

Locks Included

No

Exhaust Duration at .050 inch Lift

242

Intake Duration at .050 Inch Lift

235

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

No

Usage

Marine

Valve Stem Seals Included

No

Engine Family

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

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