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COMP Cams SK11-604-5 Magnum Marine Drag Race Solid Flat Tappet Camshaft 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

SK11-604-5
10 reviews
Sale Price

$491.16

Estimated ship date Saturday, November 21

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Product Details

The COMP Cams SK11-604-5 Magnum Marine/Drag Race SK-Kit is a complete high-performance camshaft installation package designed specifically for Chevrolet Big Block engines (396-454 cubic inches). This solid flat tappet camshaft features aggressive 256/266 duration specifications optimized for marine and drag racing applications where maximum power output is critical.

Complete SK-Kit Includes:

  • Magnum Marine/Drag Race solid flat tappet camshaft with 256°/266° advertised duration
  • Matched solid flat tappet lifters engineered for high-RPM performance
  • Timing chain set with precision-manufactured components
  • Assembly lube for proper break-in and component protection
  • COMP Cams decals and detailed installation instructions

This camshaft profile delivers aggressive performance characteristics ideal for dedicated race engines, marine applications, and high-compression builds. The solid flat tappet design provides precise valve control and durability under extreme operating conditions. The 256/266 duration split creates excellent top-end power while maintaining strong mid-range performance for competitive racing environments.

Application: Chevrolet Big Block V8 engines including 396, 402, 427, and 454 cubic inch variants. Professional installation and valve train setup recommended for optimal performance and longevity.

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

304

Advertised Intake Duration

294

Basic Operating RPM Range

3,500-6,500

Lifter Type

Solid Flat Tappet

Kit Type

SK-Kit - Small Kit

Exhaust Valve Lift

0.605

Intake Duration at .050 Inch Lift

256

Exhaust Duration at .050 inch Lift

266

Camshaft Material

Cast Iron

Camshaft Series

Magnum Marine

Cam Type

Solid Flat Tappet

AMAZON ASIN

B001GF0KBM

Assembly Lubricant Included

Yes

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

Camshaft Gear Attachment

3-Bolt

Locks Included

No

Lifters Included

Yes

Retainers Included

No

Usage

Marine

Timing Chain and Gears Included

Yes

LOBE SEPARATION

108

Intake Valve Lift

0.58

Valve Stem Seals Included

No

Pushrods Included

No

Engine Family

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

I had not shopped at Autoplicity before this purchase. Everything worked out great - product was delivered very quickly and exactly what I ordered. Thank you Autoplicity.

I was very impressed at the timely fashion our order was shipped. I will be shopping with Autoplicity in the future.

great service. Been looking for this trounce product for over a year. best hand cleaner i have ever used. makes the orange stuf seem like using just water.

I ordered my K&N cold air intake order number 17133<br>From autoplicity for almost half price compared to other sites online. I will continue my purchases here n stop my searches elsewhere. And delivery time is fast!

Great Price! Fast Shipping!

Received my package today. Shipping was fast and it was about the best price I could find for my Cam. I'll buy from them again.

Quick and efficient, Thank You!

The ordering process went really smoothly. Got my ordering info e-mailed smartly and was able to track the order easily. Looking forward to using my item as soon as it gets here!

Had to upgrade to a Snell 2010 helmet this year, bought the identical helmet for $200 less than I paid 8 years ago! Fast shipping, I will be checking Autoplicity first in the future!

the shipping charges were high, but still cheaper than any place else with free shipping!

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