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COMP Cams 11-414-8 Nitrous HP Hydraulic Roller Camshaft 242/254 Duration for Chevy Big Block

(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

11-414-8
5 reviews
Sale Price

$577.95

In Stock (8)

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Product Details

The COMP Cams 11-414-8 is a high-performance hydraulic roller camshaft specifically engineered for nitrous oxide applications in Chevrolet Big Block engines (396-454 cubic inches). This camshaft delivers aggressive performance with a 242/254 duration split that provides excellent power gains when combined with nitrous systems while maintaining drivability on pump gas.

Key Specifications:

  • Advertised Duration: 242°/254° (Intake/Exhaust)
  • Hydraulic roller design for reduced friction and improved durability
  • Optimized lobe profiles for nitrous oxide applications
  • Compatible with Chevrolet Big Block 396, 402, 427, and 454 engines
  • Requires hydraulic roller lifters and appropriate valve springs (sold separately)

Performance Benefits:

  • Aggressive power delivery designed to maximize nitrous gains
  • Hydraulic roller technology provides quiet operation and reduced valve train wear
  • Split duration pattern optimizes cylinder filling and exhaust scavenging
  • Suitable for street/strip applications with nitrous systems

This camshaft is part of COMP Cams' Nitrous HP series, designed for engines that will see regular nitrous use. Professional installation and proper valve train components are required for optimal performance and longevity. Verify all clearances and component compatibility before installation.

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

Advertised Exhaust Duration

310

Advertised Intake Duration

298

Basic Operating RPM Range

2,400-6,500

Grind Number

NX298HR

Exhaust Valve Lift

0.575

Intake Valve Lift

0.566

Camshaft Material

Austempered Ductile Iron

Cam and Lifter Kit Upgrade

CL11-414-8

K-Kit Upgrade

K11-414-8

Camshaft Series

Nitrous HP

SK-Kit Upgrade

SK11-414-8

Assembly Lubricant Included

No

Lifters Included

No

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

LOBE SEPARATION

113

Lifter Type

Hydraulic Roller

Intake Duration at .050 Inch Lift

242

Cam Type

Hydraulic Roller

Usage

Street/Strip

Exhaust Duration at .050 inch Lift

254

Engine Family

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

AMAZON ASIN

B000P5B5UE

Autoplicity had the best price that I could find. The product was drop shipped from the factory and the time estimate that Autoplicity said was correct.

Great Pricing (lowest i can find anywhere) and Quick Shipping, Product has no damage from shipping! Thank you Autoplicity!

Great product at a low price!

Best price for brake pads on the web! Great product! Happy with this purchase

autoplicity is great very cheap prices

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