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COMP Cams 12-470-8 Magnum Hydraulic Roller Camshaft Small Block Chevy - 252/252

(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 Magnum Hydraulic Roller Camshaft Small Block Chevy

Other options in this family: COMP Cams 12-420-8 COMP Cams 08-430-8 COMP Cams 12-430-8 COMP Cams 12-450-8 COMP Cams 08-450-8

Manufacturer

Picture for manufacturer COMP Cams

Part Number

12-470-8
5 reviews
Sale Price

$577.95

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The COMP Cams Magnum 12-470-8 is a high-performance hydraulic roller camshaft engineered specifically for Chevrolet small block V8 engines. This camshaft delivers a aggressive 252°/252° advertised duration with a symmetrical grind that provides excellent mid-range to top-end power characteristics, making it ideal for street/strip applications and performance street builds.

Key Specifications:

  • Advertised Duration: 252°/252° (Intake/Exhaust)
  • Duration @ .050": 218°/218°
  • Valve Lift: .470"/.470" (with 1.5 rocker ratio)
  • Lobe Separation Angle: 110°
  • Hydraulic roller design for reduced friction and improved durability
  • Compatible with factory or aftermarket hydraulic roller lifters

Performance Characteristics:

  • Power Range: 1,500-5,500 RPM
  • Produces aggressive idle with noticeable lope
  • Delivers strong torque throughout the mid-range
  • Requires 9.0:1 minimum compression ratio
  • Works with stock or mildly modified cylinder heads
  • May require higher stall speed converter (2,200-2,800 RPM) and 3.73:1 or steeper rear gears for optimal performance

This camshaft is part of COMP Cams' legendary Magnum series, known for providing proven performance profiles that deliver reliable power gains. The hydraulic roller design offers the performance benefits of a roller cam with the simplicity of hydraulic operation, requiring no valve lash adjustment. Ideal for enthusiasts seeking noticeable performance improvements with a muscular sound in their small block Chevy build.

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

314

Basic Operating RPM Range

3,500-6,500

Grind Number

314HR

Exhaust Valve Lift

0.6

Intake Valve Lift

0.6

Exhaust Duration at .050 inch Lift

252

Intake Duration at .050 Inch Lift

252

Camshaft Material

Austempered Ductile Iron

Cam and Lifter Kit Upgrade

CL12-470-8

K-Kit Upgrade

K12-470-8

Camshaft Series

Magnum

SK-Kit Upgrade

SK12-470-8

Assembly Lubricant Included

No

Lifters Included

No

LOBE SEPARATION

110

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.

Camshaft Gear Attachment

3-Bolt

Lifter Type

Hydraulic Roller

Cam Type

Hydraulic Roller

AMAZON ASIN

B001G7BMDK

Usage

Street/Strip

Advertised Exhaust Duration

314

Engine Family

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

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Great site. I received my product quickly and it was the product I ordered.

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After weeks of shopping around, I was able to find the best price from Autoplicity. The ordering process was very simple since I had the option to pay through my Amazon account. Great experience.

These guys have the best prices available online. There customer service is on point as well.

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