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COMP Cams K01-456-8 Xtreme Marine Hydraulic Roller Camshaft K-Kit for Chevrolet Big Block Gen VI

(Chevrolet K2500 1996-2000, Express 3500 1996-2000, C3500 1996-2000, C2500 1996-2000, K3500 1996-2000, K2500 Suburban 1996-99, P30 1996-99 + 11 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

K01-456-8
4 reviews
Sale Price

$1,615.95

Estimated ship date Friday, November 20

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Fitment guaranteed

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Product Details

The COMP Cams K01-456-8 Xtreme Marine K-Kit delivers a complete camshaft upgrade solution specifically engineered for Chevrolet Big Block Gen VI marine engines. This hydraulic roller camshaft kit features aggressive 242/248 duration specs designed to maximize mid-range torque and top-end horsepower in marine applications where reliability and performance are critical.

Complete K-Kit Includes Everything You Need:

  • Xtreme Marine hydraulic roller camshaft with 242/248 duration
  • Hydraulic roller lifters engineered for marine duty
  • Performance valve springs with increased pressure
  • Steel retainers for durability
  • Precision valve locks
  • Valve stem seals to prevent oil consumption
  • Timing chain set for accurate valve timing
  • Assembly lube for proper break-in
  • Installation instructions and COMP Cams decals

Key Features:

  • Marine-specific design resists corrosion and withstands harsh saltwater environments
  • Hydraulic roller design eliminates break-in concerns and reduces valvetrain friction
  • Optimized duration and lift characteristics for strong acceleration and cruising performance
  • All components matched and tested together for optimal compatibility
  • Ideal for performance marine builds seeking improved throttle response and power delivery

This kit eliminates the guesswork of component matching by providing every part needed for a professional camshaft installation. The Xtreme Marine series is specifically formulated to handle the unique demands of marine engines, including constant loading, elevated temperatures, and exposure to moisture. Perfect for boat owners looking to upgrade from stock camshafts or rebuild with proven performance components.

Products specifications

Fits

Chevrolet K2500 1996-2000, Express 3500 1996-2000, C3500 1996-2000, C2500 1996-2000, K3500 1996-2000, K2500 Suburban 1996-99, P30 1996-99, G30 1996, C2500 Suburban 1996-99; GMC K2500 1996-2000, Savana 3500 1996-2000, C3500 1996-2000 + 6 more models

Basic Operating RPM Range

2,800-6,200

Exhaust Valve Lift

0.566

Intake Valve Lift

0.566

Camshaft Material

Austempered Ductile Iron

Engine Family

Chevrolet GEN VI 454 and 502 c.i. 8 Cylinder (1996-1999)

Kit Type

K-Kit - Complete Kit

Camshaft Series

Xtreme Marine

AMAZON ASIN

B001GF18EU

Assembly Lubricant Included

No

LOBE SEPARATION

112

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

Lifter Type

Hydraulic Roller

Exhaust Duration at .050 inch Lift

248

Intake Duration at .050 Inch Lift

242

Cam Type

Hydraulic Roller

Lifters Included

Yes

Usage

Marine

Timing Chain and Gears Included

Yes

Advertised Exhaust Duration

302

Valve Springs Included

Yes

Advertised Intake Duration

296

Valve Stem Seals Included

Yes

Fast shipping and good prices

Very satisfied! My intake shipped on Friday and I received it on Tuesday. Not only super fast shipping, but a great deal to boot!

I ordered a hitch off of this site for Christmas, I have never heard of it nor did I know how they were, but they are great! Got my package in I'd say 4 days, very fast and it was exactly what I wanted! Only down fall was they charged me 3 times and I was short 150$ for a few days. I got my money back and I would definitely order again.

Very good customer service asked about a lot of different springs and parts for my Mazdaspeed 3.

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