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COMP Cams 12-223-4 Magnum Solid Flat Tappet Camshaft Chevy Small Block - 236/236

(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 + 242 more models)

Part of: COMP Cams Magnum Solid Flat Tappet Camshaft Chevy Small Block

Other options in this family: COMP Cams 12-224-4 COMP Cams 12-225-4

Manufacturer

Picture for manufacturer COMP Cams

Part Number

12-223-4
9 reviews
Sale Price

$309.95

In Stock (7)

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Product Details

The COMP Cams Magnum 12-223-4 is a solid flat tappet camshaft designed specifically for Chevrolet small block engines. This performance camshaft features a symmetrical 236/236 degree advertised duration profile, delivering strong mid-range torque and horsepower gains ideal for street/strip applications.

Key Specifications:

  • Advertised Duration: 236°/236° (intake/exhaust)
  • Duration at .050": 212°/212°
  • Valve Lift: .420"/.442" (with 1.5 rocker ratio)
  • Lobe Separation Angle: 114°
  • Recommended RPM Range: 1,500-5,500
  • Valve Timing: Intake opens 4° BTDC, exhaust closes 4° ATDC

Performance Features:

  • Solid flat tappet design for mechanical reliability and adjustability
  • Aggressive profile produces noticeable lope at idle
  • Excellent throttle response and acceleration
  • Broad powerband suitable for street performance and bracket racing
  • Requires valve spring upgrade and proper break-in procedure

This camshaft is compatible with stock torque converters and rear gear ratios of 3.25:1 or higher. Requires solid lifters (not included), performance valve springs, and retainers. Professional installation and proper cam break-in with high-zinc oil is essential for 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 + 239 more models

Advertised Intake Duration

282

Grind Number

282S

Lifter Type

Solid Flat Tappet

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL12-223-4

K-Kit Upgrade

K12-223-4

Camshaft Series

Magnum

SK-Kit Upgrade

SK12-223-4

Cam Type

Solid Flat Tappet

Assembly Lubricant Included

Yes

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.

Basic Operating RPM Range

2,000-6,000

Camshaft Gear Attachment

3-Bolt

Exhaust Valve Lift

0.495

Exhaust Duration at .050 inch Lift

236

Intake Duration at .050 Inch Lift

236

Advertised Exhaust Duration

282

Intake Valve Lift

0.495

Usage

Street/Strip

Engine Family

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

AMAZON ASIN

B000CEM50C

it was one of the most easiest sites to use and the order shipped really quick. will buy from again.

Very smooth transaction. Extremely fast shipment. I highly recommend this merchant!

great prices

Autoplicity is awesome! Easy check out and quick shipping! Will buy from again!

Great price and super fast shipping!!<br>Will be back!!!

As always fast, easy and reliable

Great store! Best prices, fast fedex shipping. Very satisfied, will buy from Autoplicity again!

Good site easy to search for and find parts. The lowest prices on almost every part I have been able to find for my truck.

Seller was quick and hasle free to deal with. Will purchase again from this seller.

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