My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

COMP Cams K11-550-5 Magnum Marine Solid Flat Tappet Camshaft K-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

Part Number

K11-550-5
Sale Price

$696.01

Estimated ship date Thursday, November 19

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams K11-550-5 Magnum Marine K-Kit is a complete camshaft installation package designed specifically for Chevrolet Big Block 396-454 engines in marine applications. This solid flat tappet camshaft features 235°/242° advertised duration and is engineered to deliver reliable performance in demanding marine environments where durability and consistent power delivery are critical.

Complete K-Kit Includes Everything You Need:

  • Magnum Marine solid flat tappet camshaft with marine-specific grind
  • High-quality hydraulic lifters matched to cam profile
  • Performance valve springs engineered for proper seat pressure and control
  • Hardened steel retainers for reliable valve train operation
  • Precision valve locks (keepers) for secure retention
  • Valve stem seals to prevent oil consumption
  • Timing chain set with gears for accurate cam timing
  • Assembly lube for proper break-in procedure
  • Installation instructions and COMP Cams decals

This kit eliminates the guesswork of component matching by providing all the essential parts needed for a professional camshaft installation. The marine-specific design accounts for the unique demands of watercraft applications, including extended periods at constant RPM and exposure to marine environments. Ideal for boat owners and marine engine builders looking for a proven performance upgrade with all components included in one convenient package.

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

Camshaft Material

Cast Iron

Kit Type

K-Kit - Complete Kit

Camshaft Series

Magnum Marine

Cam Type

Solid Flat Tappet

AMAZON ASIN

B001GETD4S

Assembly Lubricant Included

Yes

LOBE SEPARATION

110

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

Exhaust Duration at .050 inch Lift

242

Intake Duration at .050 Inch Lift

235

Lifters Included

Yes

Usage

Marine

Valve Springs Included

Yes

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!

Great service, awesome prices, incredibly fast shipping. A++ I would absolutely suggest you to my friends and family

Autoplicity beat everyone's price even with the shipping on an item that no one else had in stock, but still listed.

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!

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy