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COMP Cams K12-248-4 Xtreme Marine Hydraulic Flat Camshaft 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 + 238 more models)

Manufacturer

Part Number

K12-248-4
Sale Price

$737.95

Estimated ship date Friday, November 20

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Product Details

The COMP Cams K12-248-4 Xtreme Marine K-Kit is a complete camshaft upgrade package designed specifically for Chevrolet small block engines in marine applications. This hydraulic flat tappet cam delivers a 246/256 duration split that provides excellent low-end torque and strong mid-range power, ideal for marine environments where reliable performance and smooth operation are critical.

Complete K-Kit Includes:

  • Xtreme Marine hydraulic flat tappet camshaft with 246/256 duration
  • Hydraulic flat tappet lifters
  • Performance valve springs
  • Steel retainers
  • Valve locks (keepers)
  • Valve stem seals
  • Timing chain set
  • Assembly lube for proper break-in
  • Installation instructions and COMP Cams decals

This all-in-one kit provides everything needed for a professional camshaft installation, eliminating the guesswork of component matching. The Xtreme Marine series is specifically engineered to withstand the demanding conditions of marine use, including extended periods of operation and exposure to moisture. Ideal for boat owners looking to maximize performance and reliability from their Chevy small block-powered vessels.

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 + 234 more models

Advertised Intake Duration

290

Basic Operating RPM Range

2,500-6,500

Cam Type

Hydraulic Flat Tappet

Exhaust Valve Lift

0.522

Intake Duration at .050 Inch Lift

246

Camshaft Material

Cast Iron

Kit Type

K-Kit - Complete Kit

Camshaft Series

Xtreme Marine

AMAZON ASIN

B001GETE06

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

Advertised Exhaust Duration

306

Intake Valve Lift

0.516

Valve Springs Included

Yes

Engine Family

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

Exhaust Duration at .050 inch Lift

256

Great parts selection and customer service. Little slow shipping

Autoplicity had the lowest price on the item I needed, shipping price was not out of line and item was shipped in the time frame promised. Who could ask for more.

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

Just to put more info about the product being purchased

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