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COMP Cams K12-236-3 Xtreme Marine Hydraulic Flat Cam K-Kit for Chevy Small Block

(GMC G2500 1979-95, Yukon 1992-95, K1500 1979-86, 1988-95, C1500 1979-86, 1988-95, K2500 1979-86, 1988-95, Jimmy 1970-91 + 222 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

K12-236-3
11 reviews
Sale Price

$643.95

3 left at this price

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Usually delivered within 2 days

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Product Details

The COMP Cams K12-236-3 Xtreme Marine camshaft kit is a complete performance upgrade designed specifically for Chevrolet Small Block engines operating in marine applications. This hydraulic flat tappet camshaft features 218/224 duration specs optimized for reliable power delivery in marine environments where durability and corrosion resistance are critical.

Complete K-Kit Includes Everything You Need:

  • Xtreme Marine hydraulic flat tappet camshaft with 218/224 duration
  • Hydraulic lifters engineered for marine duty
  • Performance valve springs with upgraded seat pressure
  • Steel retainers and valve locks
  • Valve stem seals for positive oil control
  • Timing chain set with tensioner
  • Assembly lube for proper break-in
  • Installation instructions and COMP Cams decals

The Xtreme Marine series is specifically engineered to resist the harsh effects of moisture and corrosion common in boat applications. This kit delivers improved throttle response and power across the RPM range while maintaining the reliability required for marine use. The hydraulic flat tappet design provides quiet operation and eliminates the need for valve adjustments, making it ideal for recreational and performance marine engines.

Products specifications

Fits

GMC G2500 1979-95, Yukon 1992-95, K1500 1979-86, 1988-95, C1500 1979-86, 1988-95, K2500 1979-86, 1988-95, Jimmy 1970-91, C3500 1979-86, 1988-95, K2500 Suburban 1979-86, 1992-95, K3500 1979-86, 1988-95, C15/C1500 Pickup 1967-74 + 218 more models

Basic Operating RPM Range

1,300-5,500

Cam Type

Hydraulic Flat Tappet

Intake Valve Lift

0.462

Exhaust Valve Lift

0.477

Camshaft Material

Cast Iron

Kit Type

K-Kit - Complete Kit

Camshaft Series

Xtreme Marine

AMAZON ASIN

B001GF10AM

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

Advertised Intake Duration

262

Camshaft Gear Attachment

3-Bolt

Advertised Exhaust Duration

266

Lifters Included

Yes

Usage

Marine

Valve Springs Included

Yes

Exhaust Duration at .050 inch Lift

224

Intake Duration at .050 Inch Lift

218

Engine Family

Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)

Perfect match and great delivery timing.

Good prices and fast shipping!!

Exactly what I needed

smooth

Exactly the same as the dealer had for $31 apiece fast shipping happy happy happy

Easy transaction. Quick shipment.

this is my new home... very cool site, beat summit and jegs by $20 to $30

Great

Great price!<br>Super fast shipping!<br>Conviently allow us to pay with Amazon log in and PayPal etc.<br>I ordered Jeep Rubicon Express part I couldn't find anywhere else.

Great service and communication. Once it was shipped, I was able to track my item. Best price I could find on the internet!! Would definitely do business with anytime.

Fantastic ! Ordered a Weather Tech Cargo Liner for my 2012 Ford Explorer. Price was $60 less here than ALL other sites on web. I was skeptical that this was going to be a counterfeit -- as the price was too good to be true. I was extremely happy to receive the genuine product as I expected in less than a week -- and for $60 less than the competitors ! GREAT VALUE and great service ! I will definitely be back !!

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