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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-12-223-4
Comp Cams Magnum Mechanical Flat Tappet Camshafts
$30995
Ships on 09/09/2026
Lowest Price GuaranteeChevy 262-400ci Small Block 1955-98
- Magnum 282S Mechanical Flat Tappet Camshaft
Lift: .495''/.495"
Duration: 282°/282°
Lobe Separation Angle: 110°
RPM Range: 2000-6000
Good power for street, with a choppy idle. Needs a stall converter, likes headers and low gears.
| Operating Range: | 2000-6000 RPM |
| Duration Advertised: | 282° Intake / 282° Exhaust |
| Duration @ .050' Lift: | 236° Intake / 236° Exhaust |
| Valve Lift w/1.5 Rockers: | .495' Intake / .495' Exhaust |
| Valve Setting: | .022' Intake / .022' Exhaust |
| Lobe Separation Angle: | 110° |
265, 283, 307, 302, 305, 327, 350, 383, 400, 427, L46, L48, L65, LM1, LT-1, L82, L81, LS9, L83, L98, L05, LG3, LG4, LT1, LT4, Camaro, Corvette, Chevelle, Stingray, Silverado, C10, Firebird, Chevrolet, Chevy, Small Block Chevy, Caprice, Malibu, Impala, Nova, 355, GEN1, Monte Carlo, S10
Good power for street, choppy idle. Needs 2500+ stall, likes headers and low gears.
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
BrandCOMP CAMS
Package Height2.7
Package Width3.0
Package Length24.6
Weight8.98 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleMechanical flat tappet
Grind NumberCS 282S-10
Exh. Duration Advertised (Deg)282
Engine Make/SizeChevy Small Block (262-400)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.495
Int. Duration @ .050 In. (Deg)236
Basic Operating Rpm Range2,000-6,000
Intake Valve Lash0.022 in (0.559 mm)
Intake Valve Lift0.495 in (12.573 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)282
Lobe Separation (Deg)110
Rpm Range2000-6000
Advertised Duration282 int./282 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.495
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.495 int./0.495 exh.
QuantitySold individually
Exhaust Valve Lash0.022 in (0.559 mm)
Exhaust Valve Lift0.495 in (12.573 mm)
Advertised Intake Duration282
Intake Duration At 050 Inch Lift236
Exhaust Duration At 050 Inch Lift236
Advertised Exhaust Duration282
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift236 int./236 exh.
Valve Springs RequiredYes
Vendor Part Number12-223-4
Package Qty1
Package TypeEA
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