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COMP Cams 18-123-4 Xtreme Energy Hydraulic Flat Tappet Camshaft - 212/212

(GMC G2500 1985-95, Sonoma 1991-97, K1500 1985-86, 1988-97, C1500 1985-86, 1988-97, K2500 1985, 1988-95, Jimmy 1992-97, Savana 2500 1996-97 + 52 more models)

Part of: COMP Cams Xtreme Energy Hydraulic Flat Tappet Camshaft Ford

Other options in this family: COMP Cams 31-238-3 COMP Cams 35-238-3 COMP Cams 35-242-3 COMP Cams 51-222-4 COMP Cams 31-242-3

Manufacturer

Picture for manufacturer COMP Cams

Part Number

18-123-4
5 reviews
Sale Price

$309.95

1 left at this price

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Usually delivered within 2 days

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Product Details

The COMP Cams Xtreme Energy 18-123-4 is a high-performance hydraulic flat tappet camshaft engineered specifically for Chevrolet 262ci/4.3L V6 engines. This camshaft features an aggressive 212/212 duration profile that delivers excellent mid-range power and throttle response, making it ideal for street/strip applications and performance-oriented daily drivers.

Camshaft Specifications:

  • Advertised Duration: 268°/268° intake/exhaust
  • Duration @ .050": 212°/212° intake/exhaust
  • Valve Lift: .420"/.442" intake/exhaust (with 1.5 rocker ratio)
  • Lobe Separation Angle: 110°
  • Hydraulic flat tappet design for reliable operation
  • Recommended RPM range: 1,000-5,500 RPM

Key Features:

  • Xtreme Energy lobe profiles optimized for maximum performance per cubic inch
  • Delivers noticeably improved throttle response and acceleration
  • Aggressive idle characteristics for performance sound
  • Compatible with stock valve springs and components
  • Requires approximately 9.0:1 minimum compression ratio

This camshaft is designed for engines with aftermarket intake manifolds, headers, and performance exhaust systems. It provides an excellent balance between streetability and performance, with a lopey idle that announces its presence. COMP Cams Xtreme Energy camshafts feature advanced lobe design technology that maximizes area under the lift curve for superior power delivery throughout the RPM range.

Products specifications

Fits

GMC G2500 1985-95, Sonoma 1991-97, K1500 1985-86, 1988-97, C1500 1985-86, 1988-97, K2500 1985, 1988-95, Jimmy 1992-97, Savana 2500 1996-97, Savana 1500 1996-97, Safari 1985-97, C2500 1985-86, 1988-95, S15 1988-90, S15 Jimmy 1988-91 + 47 more models

Advertised Exhaust Duration

260

Grind Number

260H

Cam Type

Hydraulic Flat Tappet

Exhaust Valve Lift

0.444

Intake Valve Lift

0.444

Camshaft Material

Cast Iron

Engine Family

Chevrolet 4.3L 262 c.i. 90 Degree 6 Cylinder (1980-1997)

Cam and Lifter Kit Upgrade

CL18-123-4

K-Kit Upgrade

K18-123-4

SK-Kit Upgrade

SK18-123-4

AMAZON ASIN

B002APUUK8

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

260

Camshaft Gear Attachment

3-Bolt

Basic Operating RPM Range

1,000-5,000

Exhaust Duration at .050 inch Lift

212

Intake Duration at .050 Inch Lift

212

Camshaft Series

Xtreme Energy

Very easy to shop and compare prices thanks. Great job received 1 day early.

Quick ordering. Correct product with fast delivery.

So far so good, first ever order with Autoplicity.

I paid for 2nd day shipping and 5 days later they were shipped out. So, I should receive my rotors in a full week from when I paid for 2 day shipping. I called customer service and they discounted the shipping rate to ground service. At least they were polite and helpful in the phone.

Y'all is Awesome!

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