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COMP Cams 12-413-8 Xtreme Hydraulic Roller Camshaft Small Block Chevy - 4x4

(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)

Part of: COMP Cams Xtreme Hydraulic Roller Camshaft Small Block Chevy

Other options in this family: COMP Cams 08-414-8 COMP Cams 08-409-8 COMP Cams 12-414-8

Manufacturer

Picture for manufacturer COMP Cams

Part Number

12-413-8
5 reviews
Sale Price

$577.95

4 left at this price

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Usually delivered within 2 days

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Product Details

The COMP Cams Xtreme 4x4 hydraulic roller camshaft is specifically designed for small block Chevrolet engines requiring aggressive performance with excellent street manners. This camshaft delivers a broad torque curve and strong mid-range to top-end power, making it ideal for street/strip applications, off-road vehicles, and performance trucks.

Camshaft Specifications:

  • Duration at 0.050": 220°/224° (intake/exhaust)
  • Advertised duration: 268°/280°
  • Valve lift (with 1.5 ratio rocker): 0.462"/0.466"
  • Lobe separation angle: 112°
  • Hydraulic roller design for reduced friction and improved durability
  • Recommended RPM range: 1,800-5,800 RPM
  • Recommended valve spring: COMP Cams #26918 or equivalent

Key Features:

  • Xtreme 4x4 profile optimized for off-road and performance truck applications
  • Hydraulic roller technology eliminates break-in procedure required with flat tappet cams
  • Smooth idle quality with strong acceleration
  • Compatible with factory fuel injection and aftermarket carburetors
  • Works with stock or aftermarket cylinder heads
  • Requires aftermarket valve springs and hydraulic roller lifters

This camshaft is engineered for small block Chevy engines (262-400 cubic inches) and provides an excellent balance of performance and drivability. Professional installation and proper valve train components are required for optimal performance and engine longevity.

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

Grind Number

X4270HR

Exhaust Valve Lift

0.474

Intake Valve Lift

0.474

Camshaft Material

Austempered Ductile Iron

Cam and Lifter Kit Upgrade

CL12-413-8

K-Kit Upgrade

K12-413-8

SK-Kit Upgrade

SK12-413-8

Camshaft Series

Xtreme 4x4

Usage

Street/Performance

Assembly Lubricant Included

No

Lifters Included

No

Valve Springs Required

Yes

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

270

Camshaft Gear Attachment

3-Bolt

LOBE SEPARATION

111

Lifter Type

Hydraulic Roller

Cam Type

Hydraulic Roller

Advertised Exhaust Duration

274

Basic Operating RPM Range

1,500-5,500

Exhaust Duration at .050 inch Lift

224

Intake Duration at .050 Inch Lift

220

Engine Family

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

AMAZON ASIN

B000P5B77U

Great service. fast shiping!

Great Company Smooth Transaction.. Thanks

I bought this item for my fiance and he loves it! He was completely happy with the price we paid...

Best prices I found online.. processed same day and recieved same week..packaged great and works great.

Wow I love the race ramps I bought for my 2009 dodge challenger srt8 I used Thelm to change the oil 2 days after I got Thelm and they worked great I have extra clearance I wouldnt think of any other place for my parts gas shipping great prices and great shipping prices I'm a very happy customer

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