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COMP Cams SK11-560-4 Nitrous HP Hydraulic Flat Tappet Cam Kit for Chevy Big Block 396-454

(Chevrolet Camaro 1967-72, Corvette 1967-74, Impala 1967-76, Malibu 1967, 1973-75, C1500 1990-93, Chevelle 1967-73, Blazer 1973-74 + 104 more models)

Manufacturer

Picture for manufacturer COMP Cams

Part Number

SK11-560-4
6 reviews
Sale Price

$409.93

Estimated ship date Tuesday, November 24

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Product Details

The COMP Cams SK11-560-4 Small Kit is a complete hydraulic flat tappet camshaft package designed for nitrous oxide applications in Chevrolet Big Block 396-454 cubic inch engines. This performance cam features aggressive 224/236 duration specs optimized to work with nitrous systems while maintaining excellent street manners and reliability.

Camshaft Specifications:

  • Advertised Duration: 278°/286° intake/exhaust
  • Duration at .050": 224°/236° intake/exhaust
  • Valve Lift: .510"/.540" intake/exhaust (with 1.7:1 rocker ratio)
  • Lobe Separation Angle: 110°
  • Hydraulic flat tappet design for quiet operation and low maintenance
  • Optimized for nitrous oxide and street/strip performance applications

Complete SK-Kit Includes:

  • High-performance hydraulic flat tappet camshaft
  • Precision timing chain set with gears
  • Assembly lube for proper break-in
  • COMP Cams decals
  • Detailed installation instructions

This camshaft is ideal for big block Chevy engines running nitrous oxide systems, providing excellent power gains from 2500 to 6500 RPM. The hydraulic flat tappet design eliminates the need for valve lash adjustment while delivering strong mid-range torque and top-end horsepower. Recommended for engines with aftermarket cylinder heads, headers, intake manifolds, and 9.5:1 or higher compression ratio for optimal performance.

Products specifications

Fits

Chevrolet Camaro 1967-72, Corvette 1967-74, Impala 1967-76, Malibu 1967, 1973-75, C1500 1990-93, Chevelle 1967-73, Blazer 1973-74, C10 Pickup 1968-74, Caprice 1967-76, C10 1975-80, El Camino 1967-75, Monte Carlo 1970-75 + 99 more models

Basic Operating RPM Range

2,000-6,200

Cam Type

Hydraulic Flat Tappet

Exhaust Valve Lift

0.547

Kit Type

SK-Kit - Small Kit

Intake Valve Lift

0.515

Camshaft Material

Cast Iron

Camshaft Series

Nitrous HP

AMAZON ASIN

B001GF3N9I

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

Advertised Intake Duration

268

Camshaft Gear Attachment

3-Bolt

LOBE SEPARATION

113

Locks Included

No

Exhaust Duration at .050 inch Lift

236

Lifters Included

Yes

Retainers Included

No

Advertised Exhaust Duration

286

Timing Chain and Gears Included

Yes

Usage

Street/Strip

Intake Duration at .050 Inch Lift

224

Valve Stem Seals Included

No

Pushrods Included

No

Engine Family

Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)

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