Comp Cams 'Magnum' Mechanical Flat Tappet Camshafts

Vehicle Info Needed

COMP CAMSPART NUMBER: 249-K11-604-5

Comp Cams 'Magnum' Mechanical Flat Tappet Camshafts

Name: Comp Cams 'Magnum' Mechanical Flat Tappet Camshafts
Brand: COMP CAMS
SKU: 249-K11-604-5
Price: 722.95 USD
Availability: InStock

^$722⁹⁵

Ships on 09/10/2026

Lowest Price Guarantee

Chevy 396-454ci Big Block 1965-96

Marine

.580"/.605"

294°/304°

108°

3500-6500

Cams Are Very Aggressive
Designed For Performance Oriented Vehicles
Deliver More Power Than Standard Camshafts
1 Year Limited Warranty
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572

Use in 396-427c.i., heavy car, 3500+ stall and 10.5:1+ compression. Excellent for jet boat, A or B impeller. 427-454c.i., 10:1+ compression.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeCamshaft Kit

BrandCOMP CAMS

Package Height5.2

Package Width10.4

Package Length25.5

Weight26.3 PG

Part CategoryPerformance Parts

Exh. Duration @ .050 In. (Deg)266

Cam StyleMechanical flat tappet

Grind Number294B

Exh. Duration Advertised (Deg)304

Locks IncludedYes

Engine Make/SizeChevy Big Block (396-454)

Retainers IncludedYes

Intake Valve Lift With Factory Rocker Arm Ratio (I0.58

Int. Duration @ .050 In. (Deg)256

Assembly Lubricant IncludedYes

Basic Operating Rpm Range3,500-6,500

Pushrods IncludedNo

Gaskets IncludedNo

Intake Valve Lash0.028 in (0.711 mm)

Rocker Arms IncludedNo

Intake Valve Lift0.58 in (14.732 mm)

Computer-Controlled CompatibleNo

Int. Duration Advertised (Deg)294

Lobe Separation (Deg)108

Rpm Range3500-6500

Lifter StyleMechanical flat tappet

Advertised Duration294 int./304 exh.

Exhaust Valve Lift With Factory Rocker Arm Ratio (0.605

Valve Springs IncludedYes

UsageMarine

Valve Lift With Factory Rocker Arm Ratio0.580 int./0.605 exh.

Camshaft Gear Attachment3-bolt

QuantitySold as a kit

Valve Stem Seals IncludedYes

Exhaust Valve Lash0.03 in (0.762 mm)

Exhaust Valve Lift0.605 in (15.367 mm)

Advertised Intake Duration294

Outside Diameter Of Outer Spring1.509 in (38.3 mm)

Intake Duration At 050 Inch Lift256

Exhaust Duration At 050 Inch Lift266

Timing Chain StyleDouble non-roller

Timing Chain And Gears IncludedYes

Advertised Exhaust Duration304

Lifter TypeMechanical Flat Tappet

Part FitmentSemi Universal

Duration At 050 Inch Lift256 int./266 exh.

Valve Springs RequiredNo

Lifters IncludedYes

Vendor Part NumberK11-604-5

Package Qty1

Package TypeEA

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