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COMP Cams Camshaft CB 280S-10

SKU: CCA11-551-5

Camshafts

CCA Camshafts...

COMP Cams Camshaft CB 280S-10

SKU: CCA11-551-5

Camshafts

CCA Camshafts...

Sale ends in Calculating...

A$739.96 A$824.01
Last Available from MFR. LAST ONE AVAILABLE from the manufacturer's distribution centre. Once sold, this item may not be immediately available again. The dispatch timeframe shown is an estimate based on historical orders for this part and is dependent on the manufacturer releasing the final available unit.

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Description

Exclusive Comp Cams flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various Comp Cams part numbers. There's never been a better time to buy your Comp Cams upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

MagM 242/250 SFT BBC

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.

Additional Information

Jet boat with A or B impeller. Skiing, pleasure, performance.

Application Summary

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

Part Type

Engine Camshaft

Product Overview

*Magnum Camshafts*
• Great high RPM power
• Easy on valve train parts
• Can be used with mild ratio rocker arms and traditional performance valve springsAvailable
• Best with aftermarket converter and 9.5:1+ compression

Data: v4.2 - Upd: 2026-11-12 03:11:34

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Advertised Exhaust Duration:285
Advertised Intake Duration:280
Amazon ASIN:B000P5G554
Assembly Lubricant Included:Yes
Basic Operating RPM Range:2,800-6,300
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.
Cam Type:Solid Flat Tappet
Cam and Lifter Kit Upgrade:CL11-551-5
Camshaft Gear Attachment:3-Bolt
Camshaft Material:Cast Iron
Camshaft Series:Magnum Marine
Description:Magnum Marine 242/250 Solid Flat Cam for Chevrolet Big Block 396-454
Engine Family:Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
Exhaust Duration @ .050 in.:250
Exhaust Duration at .050 inch Lift:250
Exhaust Duration:285
Exhaust Valve Lift(in):0.604
Exhaust Valve Lift:0.604
Grind Number:280S
Intake Duration @ .050 in.:242
Intake Duration at .050 Inch Lift:242
Intake Duration:280
Intake Valve Lift(in):0.575
Intake Valve Lift:0.575
K-Kit Upgrade:K11-551-5
Lifter Type:Solid Flat Tappet
Lifters Included:No
Part Number:cca11-551-5
RPM Range:2000-9000
SK-Kit Upgrade:SK11-551-5
Title:Magnum Marine 242/250 Solid Flat Cam for Chevrolet Big Block 396-454
Usage:Marine
Valve Springs Required:Yes

Product Downloads

# Document Type Download
1. Catalog

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 19:00:19

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Comp Cams, Comp Cams (edelbrock)
StreetFX SKU cca11-551-5
SFX Item ID 4118458
Accounting SKU cca-11-551-5
Manufacturer SKU 11-551-5
Manufacturer UPC 036584640141
Alternative References 11-551-5, CCA-11-551-5

Camshaft, Mechanical Flat Tappet, Advertised Duration 280/285, Lift .575/.604, Chevy, Big Block, Each

COMP Cams Magnum solid lifter camshafts are specifically designed for the street enthusiast looking for more power and that Pro Street sound. Whether your choice would be the 270s with low-speed torque and noticeable idle, or the 306s for larger cubic inch engines with tremendous high-rpm power and radical idle, one of these Magnum series cams will fit your engine's needs.

Product Attributes
BrandCOMP Cams
Manufacturer's Part Number11-551-5
Part TypeCamshafts
Product LineCOMP Cams Magnum Solid Camshafts
UPC036584640141
Cam StyleSolid flat tappet
Camshaft UseMarine
Basic Operating RPM Range2,800-6,300
Intake Duration at 050 inch Lift242
Exhaust Duration at 050 inch Lift250
Duration at 050 inch Lift242 int./250 exh.
Advertised Intake Duration280
Advertised Exhaust Duration285
Advertised Duration280 int./285 exh.
Intake Valve Lift with Factory Rocker Arm Ratio0.575 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio0.604 in.
Valve Lift with Factory Rocker Arm Ratio0.575 int./0.604 exh.
Intake Valve Lash0.028 in.
Exhaust Valve Lash0.030 in.
RemanufacturedNo
Computer-Controlled CompatibleNo
Grind NumberCB 280S-10
Valve Springs RequiredYes
QuantitySold individually.

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