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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-406-5
Blower and Turbo Mechanical Flat Camshaft Big Block Chevy 396-454 1965-96 Lift: .637"/.637"
$32595
Ships on 09/15/2026
Lowest Price GuaranteeBig Block Chevy 396-454ci 1965-96
- Blower and Turbo Mechanical Flat Camshaft
- Lift: .637"/.637"
- Duration: 310°/320°
- Lobe Separation Angle: 114°
- RPM Range: 4000-7500
- Blower and Turbo Camshaft
- 1 Year Limited Warranty
Big Block Chevy 396-454 1965-96
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 Height2.8
Package Width2.9
Package Length24.2
Weight10.15 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)280
Cam StyleMechanical flat tappet
Grind Number310BS-14
Exh. Duration Advertised (Deg)320
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.637
Int. Duration @ .050 In. (Deg)270
Basic Operating Rpm Range4,000-7,500
Intake Valve Lift0.637 in (16.18 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)310
Lobe Separation (Deg)114
Rpm Range4000-7500
Advertised Duration310 int./320 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.637
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.637 int./0.637 exh.
QuantitySold individually
Exhaust Valve Lift0.637 in (16.18 mm)
Advertised Intake Duration310
Intake Duration At 050 Inch Lift270
Exhaust Duration At 050 Inch Lift280
Advertised Exhaust Duration320
Lifter TypeMechanical Flat Tappet
Duration At 050 Inch Lift270 int./280 exh.
Valve Springs RequiredYes
Vendor Part Number11-406-5
Package Qty1
Package TypeEA
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