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COMP Cams 12-552-4 Nitrous HP Hydraulic Flat Tappet Camshaft 212/222 Duration

(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

Picture for manufacturer COMP Cams

Part Number

12-552-4
5 reviews
Sale Price

$309.95

1 left at this price

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Product Details

The COMP Cams 12-552-4 Nitrous HP camshaft is specifically engineered for small block Chevrolet engines running nitrous oxide systems. This hydraulic flat tappet camshaft delivers 212 degrees of advertised intake duration and 222 degrees of exhaust duration, providing an aggressive power band optimized for nitrous-assisted performance.

Key Specifications:

  • Advertised Duration: 212° Intake / 222° Exhaust
  • Lifter Type: Hydraulic Flat Tappet
  • Application: Chevrolet Small Block V8 engines
  • Design: Nitrous HP profile for forced induction performance
  • Core: High-quality chilled cast iron core with precision lobe profiles

Performance Features:

  • Optimized lobe profiles deliver strong mid-range to top-end power when nitrous is activated
  • Conservative duration allows excellent drivability without nitrous engaged
  • Asymmetric duration split helps scavenge exhaust gases under boost conditions
  • Compatible with stock-to-moderate compression ratios and factory valve springs (depending on application)
  • Ideal for street/strip applications with 100-250 HP nitrous systems

This camshaft is designed to maximize the effectiveness of nitrous oxide injection while maintaining street manners and reliability. The hydraulic flat tappet design ensures quiet operation and eliminates the need for periodic valve lash adjustments. COMP Cams manufactures each camshaft to strict tolerances ensuring consistent performance and durability.

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

Basic Operating RPM Range

1,200-5,600

Grind Number

NX256H

Cam Type

Hydraulic Flat Tappet

Exhaust Valve Lift

0.464

Camshaft Material

Cast Iron

Cam and Lifter Kit Upgrade

CL12-552-4

K-Kit Upgrade

K12-552-4

Camshaft Series

Nitrous HP

SK-Kit Upgrade

SK12-552-4

Assembly Lubricant Included

Yes

Lifters Included

No

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.

Camshaft Gear Attachment

3-Bolt

LOBE SEPARATION

113

Advertised Exhaust Duration

268

Intake Valve Lift

0.434

Usage

Street/Strip

Intake Duration at .050 Inch Lift

212

Advertised Intake Duration

256

Exhaust Duration at .050 inch Lift

222

Engine Family

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

AMAZON ASIN

B000P5D8GI

this is what i'm after and looking for and being close to your area i hope i see a fast turn around on shipping out this item. it's much needed ASAP thank you

It would be good to see when I will received the product as I'm going through the process.

good

Only place I found that had the product I needed. Extremely satisfied!

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

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