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COMP Cams Camshaft CB Nx 284H-13

SKU: CCA11-568-4

Camshafts

CCA Camshafts...

COMP Cams Camshaft CB Nx 284H-13

SKU: CCA11-568-4

Camshafts

CCA Camshafts...

A$702.12
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

BBC - 1965-66 396 c.i.d. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or contact us, and we will assist you with placing an order.

Product Overview

*Nitrous HP Camshafts* * Wider lobe separation and added exhaust duration from base XE series help shift the power to higher RPM to allow use in nitrous applications * Early exhaust opening helps scavenge the extra spent gasses from nitrous or forced induction * Better time slips for nitrous passes at the strip

Product Details

Advertised Exhaust Duration:305
Advertised Intake Duration:284
Amazon ASIN:B000P5G52C
Assembly Lubricant Included:Yes
Basic Operating RPM Range:2,800-6800
C.A.R.B. E.O. Number:N/A
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.
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. Exemption Reason:N/A
California Proposition 65:WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam Type:Hydraulic Flat Tappet
Cam and Lifter Kit Upgrade:CL11-568-4
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Nitrous HP
Description:Nitrous HP 240/253 Hydraulic Flat Cam for Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:253
Exhaust Duration at .050 inch Lift:253
Exhaust Duration:305
Exhaust Valve Lift(in):0.595
Exhaust Valve Lift:0.595
Grind Number:NX284H
Intake Duration @ .050 in.:240
Intake Duration at .050 Inch Lift:240
Intake Duration:284
Intake Valve Lift(in):0.575
Intake Valve Lift:0.575
K-Kit Upgrade:K11-568-4
Lifter Type:Hydraulic Flat Tappet
Lifters Included:No
Lobe Separation:113
Part Number:cca11-568-4
RPM Range:2000-9000
SK-Kit Upgrade:SK11-568-4
Title:Nitrous HP 240/253 Hydraulic Flat Cam for Chevrolet Big Block 396-454
Usage:Street/Strip
Valve Springs Required:Yes

Application Summary

Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

Part Type

Engine Camshaft

Data: v4.2 - Upd: 2026-10-17 19:36:40

Specifications

Product Attributes - Brand
COMP Cams
Product Attributes - Manufacturer's Part Number
11-568-4
Product Attributes - Part Type
Camshafts
Product Attributes - Product Line
COMP Cams Nitrous HP Camshafts
Product Attributes - UPC
036584038740
Product Attributes - Cam Style
Hydraulic flat tappet
Product Attributes - Camshaft Use
Street/Strip
Product Attributes - Basic Operating RPM Range
2,800-6,800
Product Attributes - Intake Duration at 050 inch Lift
240
Product Attributes - Exhaust Duration at 050 inch Lift
253
Product Attributes - Duration at 050 inch Lift
240 int./253 exh.
Product Attributes - Advertised Intake Duration
284
Product Attributes - Advertised Exhaust Duration
305
Product Attributes - Advertised Duration
284 int./305 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
0.575 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
0.595 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio
0.575 int./0.595 exh.
Product Attributes - Lobe Separation (degrees)
113
Product Attributes - Remanufactured
No
Product Attributes - Computer-Controlled Compatible
No
Product Attributes - Grind Number
CB NX 284H-13
Product Attributes - Valve Springs Required
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Comp Cams
StreetFX SKU cca11-568-4
SFX Item ID 4118462
Supplier Item Code 4118462
Manufacturer SKU 11-568-4
Manufacturer UPC 36584038740
Alternative References c10, s10, 284H-13

Compatibility

Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

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