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COMP Cams K11-252-4 Xtreme Marine Hydraulic Flat Cam K-Kit Big Block Chevy 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

K11-252-4
4 reviews
Sale Price

$712.95

Estimated ship date Friday, November 20

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Product Details

The COMP Cams K11-252-4 Xtreme Marine camshaft kit is specifically engineered for high-performance marine applications in Chevrolet Big Block engines (396-454 cubic inches). This comprehensive K-Kit delivers enhanced power and torque across the RPM range while maintaining reliability in demanding marine environments.

Camshaft Specifications:

  • Intake Duration: 254 degrees
  • Exhaust Duration: 264 degrees
  • Hydraulic flat tappet design for reliable operation
  • Marine-specific grind optimized for torque and power delivery

Complete K-Kit Includes:

  • Camshaft designed for marine duty cycle
  • Hydraulic flat tappet lifters
  • High-performance valve springs
  • Valve spring retainers
  • Valve locks (keepers)
  • Valve stem seals
  • Timing chain set
  • Assembly lube for proper break-in
  • Installation instructions and decals

This all-inclusive kit provides everything needed for a complete camshaft upgrade, eliminating guesswork in component matching. The Xtreme Marine series is purpose-built to handle the continuous high-load operation and corrosive environments typical of marine applications, making it ideal for performance boats and marine engines requiring increased power output.

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

316

Advertised Intake Duration

298

Cam Type

Hydraulic Flat Tappet

Intake Valve Lift

0.575

Exhaust Valve Lift

0.578

Intake Duration at .050 Inch Lift

254

Basic Operating RPM Range

3200-6,800

Camshaft Material

Cast Iron

Kit Type

K-Kit - Complete Kit

Camshaft Series

Xtreme Marine

AMAZON ASIN

B001GF0Z4E

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

Lifters Included

Yes

Usage

Marine

Valve Springs Included

Yes

Exhaust Duration at .050 inch Lift

264

Engine Family

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

Autoplicity had the part I needed. They had the best price I found. Shipping was a little slow. Overall I am very satisfied with the transaction and will be buying from them in the future.

Lowest price on the INTERNET!!! I searched for days and nobody could even come close to their price. They provided excellent feedback on my order status including shipping and tracking numbers.

Best price I could find on the Internet can't go wrong with saving money

Tank You!! Thank you very much

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