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COMP Cams 12-208-3 Dual Energy Hydraulic Flat Tappet Camshaft SBC 211/221

(GMC G2500 1979-95, Yukon 1992-95, K1500 1979-86, 1988-99, C1500 1979-86, 1988-99, K2500 1979-86, 1988-95, 1998, Jimmy 1970-91 + 255 more models)

Manufacturer

Part Number

12-208-3
Sale Price

$297.95

1 left at this price

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Product Details

The COMP Cams 12-208-3 Dual Energy camshaft is a hydraulic flat tappet performance camshaft designed specifically for Chevrolet small block engines. This cam features a 211/221 duration split pattern that delivers excellent low-end to midrange torque while maintaining strong top-end power, making it ideal for street performance applications and mild street/strip builds.

Key Specifications:

  • Advertised Duration: 268°/278° intake/exhaust
  • Duration at .050": 211°/221° intake/exhaust
  • Valve Lift: .447"/.465" intake/exhaust (with 1.5:1 rocker ratio)
  • Lobe Separation Angle: 110°
  • Hydraulic flat tappet design for quiet, reliable operation
  • Dual Energy cam core for enhanced durability

Performance Characteristics:

  • RPM Range: 1,500-5,500 RPM
  • Strong vacuum for power brakes and accessories
  • Compatible with stock torque converters and rear gears
  • Excellent choice for towing, daily driving, and weekend performance
  • Works well with stock or mildly modified cylinder heads

This camshaft requires hydraulic flat tappet lifters, performance valve springs, and proper break-in procedures. It's designed to work with stock fuel injection or carburetion systems and provides a mild performance increase over stock with excellent drivability and reliability.

Products specifications

Fits

GMC G2500 1979-95, Yukon 1992-95, K1500 1979-86, 1988-99, C1500 1979-86, 1988-99, K2500 1979-86, 1988-95, 1998, Jimmy 1970-91, Savana 2500 1996-2002, Savana 1500 1996-2002, C3500 1979-86, 1988-95, K2500 Suburban 1979-86, 1992-95 + 251 more models

Advertised Exhaust Duration

269

Basic Operating RPM Range

1,500-5,750

Grind Number

265DEH

Cam Type

Hydraulic Flat Tappet

Exhaust Valve Lift

0.465

Intake Valve Lift

0.442

Intake Duration at .050 Inch Lift

211

Exhaust Duration at .050 inch Lift

221

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL12-208-3

Camshaft Series

Dual Energy

K-Kit Upgrade

K12-208-3

SK-Kit Upgrade

SK12-208-3

Usage

Street/Performance

Assembly Lubricant Included

Yes

Lifters Included

No

LOBE SEPARATION

110

Valve Springs Required

Yes

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.

Advertised Intake Duration

265

Camshaft Gear Attachment

3-Bolt

Engine Family

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

Found what I needed quickly and at the best price. Thank you Autoplicity!!!

Thank you

The prices and shipping are the best that I can find

Good job.

best price anywhere

So far so good.

So far so good. I just hope the product is good

Easy

Shopping was easy

I've used them twice in the past 2 weeks to get parts for my Cobra. I always get shipping updates and get my parts very quickly. Very reliable and highly recommended.

quick and easy

Quick and easy!

Saved money! That is GREAT!

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