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COMP Cams K11-240-4 Xtreme Marine Hydraulic Flat Cam 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

Picture for manufacturer COMP Cams

Part Number

K11-240-4
4 reviews
Sale Price

$712.95

Estimated ship date Saturday, November 21

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Product Details

The COMP Cams K11-240-4 Xtreme Marine K-Kit is a complete camshaft upgrade package designed specifically for Chevrolet Big Block 396-454 engines in marine applications. This hydraulic flat tappet camshaft delivers 234° intake and 244° exhaust duration for improved low-end torque and mid-range power, making it ideal for marine environments where reliability and consistent performance are critical.

Complete K-Kit Includes:

  • Hydraulic flat tappet camshaft with marine-specific grind
  • Hydraulic lifters engineered for the camshaft profile
  • Performance valve springs with proper pressure ratings
  • Valve spring retainers
  • Valve locks (keepers)
  • Valve stem seals
  • Timing chain set for precise valve timing
  • Assembly lube for proper break-in
  • Installation instructions and COMP Cams decals

This all-in-one kit eliminates the guesswork of component matching, ensuring that every part works together for optimal performance and durability. The Xtreme Marine series is engineered to withstand the demanding conditions of marine use, including moisture exposure and extended operating periods. Perfect for boat owners looking to rebuild or upgrade their big block Chevy marine engine with proven, corrosion-resistant components.

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

292

Basic Operating RPM Range

2,000-6,200

Cam Type

Hydraulic Flat Tappet

Intake Valve Lift

0.564

Exhaust Valve Lift

0.566

Camshaft Material

Cast Iron

Kit Type

K-Kit - Complete Kit

Camshaft Series

Xtreme Marine

AMAZON ASIN

B001GEYVFE

Assembly Lubricant Included

Yes

LOBE SEPARATION

112

Lifter Type

Hydraulic Flat Tappet

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

Exhaust Duration at .050 inch Lift

237

Intake Duration at .050 Inch Lift

234

Lifters Included

Yes

Usage

Marine

Valve Springs Included

Yes

Advertised Intake Duration

278

Engine Family

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

Great prices. Fast Shipping. I would definitely do business again.

had what i needed

Hands down the best price on the Magnaflow catback I have seen by more than 20%. They were able to work out the ship-from-manufacturer tracking after a quick phone call. Will definately be recommending these guys to others.

Great prices on the products I want. Quick shipping.

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