My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

COMP Cams CL12-552-4 Nitrous HP Hydraulic Flat Cam and Lifter Kit for Chevy Small Block

(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)

Manufacturer

Part Number

CL12-552-4
Sale Price

$397.95

Estimated ship date Saturday, November 21

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams CL12-552-4 Nitrous HP camshaft and lifter kit is specifically designed for nitrous oxide applications in Chevrolet small block engines. This complete kit delivers aggressive performance with a 212/222 degree duration profile optimized for maximum power under nitrous injection.

Key Specifications:

  • Advertised Duration: 268/280 degrees
  • Duration at .050": 212/222 degrees
  • Valve Lift: .474"/.491" (with 1.5 rocker ratio)
  • Lobe Separation Angle: 110 degrees
  • Hydraulic flat tappet design for reliable operation
  • RPM Range: 1500-6000 RPM

Complete Kit Includes:

  • Hydraulic flat tappet camshaft
  • Assembly lube for proper break-in
  • COMP Cams decals
  • Detailed installation instructions

This camshaft profile features a tight lobe separation angle and aggressive duration split designed to build cylinder pressure for nitrous applications. The hydraulic flat tappet design provides low maintenance operation while the included lifters are matched to the cam lobes for optimal performance. Ideal for street/strip engines running nitrous systems up to 150 horsepower.

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

Basic Operating RPM Range

1,200-5,600

Cam Type

Hydraulic Flat Tappet

Kit Type

Cl-Kit - Cam and Lifter Kit

Exhaust Valve Lift

0.464

Camshaft Material

Cast Iron

Camshaft Series

Nitrous HP

AMAZON ASIN

B001GERISQ

Assembly Lubricant Included

Yes

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.

Gaskets Included

No

Camshaft Gear Attachment

3-Bolt

LOBE SEPARATION

113

Locks Included

No

Advertised Exhaust Duration

268

Lifters Included

Yes

Retainers Included

No

Timing Chain and Gears Included

No

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)

Valve Stem Seals Included

No

Best price I could find on the web even after paying for shipping! Shipped in a couple of days and great service!

The ordering process was very simple and the prices could not be beat. The processing time to ship the order was a little longer than usual, but for the price savings, it was well worth it!

Great prices and fast shipping

Ordered a CAI kit and Autoplicity had the lowest price. They're website didn't correctly match my vehicle to the product and it took a few days to ship. They're support was friendly and quick when I emailed them about the delay.

Great customer service, item shipped quickly. Very satisfied.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy