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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK11-218-4
Comp Cams Magnum Mechanical Flat Tappet Camshafts
$46195
Ships on 10/19/2026
Lowest Price GuaranteeChevy 396-454ci Big Block 1965-96
- Magnum 282S Mechanical Flat Tappet Camshaft Small Kit
Lift: .561''/.561"
Duration: 282°/282°
Lobe Separation Angle: 110°
RPM Range: 2000-6000
*Note: In order to use these camshafts in 1965-66 396/427ci blocks, it is necessary to machine a 3/16' wide x 7/64' deep groove in the rear main journal of the cam to allow oil flow to the top of the engine.
Excellent for street machines. Use 2500+ stall coverter, headers, 9.0:1 compression and lower gears. Rough idle.
| Operating Range: | 2000-6000 RPM |
| Duration Advertised: | 282° Intake / 282° Exhaust |
| Duration @ .050' Lift: | 236° Intake / 236° Exhaust |
| Valve Lift w/1.7 Rockers: | .561' Intake / .561' Exhaust |
| Valve Setting: | .022' Intake / .022' Exhaust |
| Lobe Separation Angle: | 110° |
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Excellent for street machines. Use 2500+ stall, headers, 9:1+ compression and lower gears. Rough idle.
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.
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Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height5.0
Package Width10.5
Package Length26.0
Weight22.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleMechanical flat tappet
Grind NumberCB 282S-10
Exh. Duration Advertised (Deg)282
Locks IncludedNo
Engine Make/SizeChevy Big Block (396-454)
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.561
Int. Duration @ .050 In. (Deg)236
Assembly Lubricant IncludedYes
Basic Operating Rpm Range2,000-6,000
Pushrods IncludedNo
Gaskets IncludedNo
Intake Valve Lash0.022 in (0.559 mm)
Rocker Arms IncludedNo
Intake Valve Lift0.561 in (14.249 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)282
Lobe Separation (Deg)110
Rpm Range2000-6000
Lifter StyleMechanical flat tappet
Advertised Duration282 int./282 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.561
Valve Springs IncludedNo
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.561 int./0.561 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lash0.022 in (0.559 mm)
Exhaust Valve Lift0.561 in (14.249 mm)
Advertised Intake Duration282
Intake Duration At 050 Inch Lift236
Exhaust Duration At 050 Inch Lift236
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration282
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift236 int./236 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberSK11-218-4
Package Qty1
Package TypeEA
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