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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-724-9
Drag Race Mechanical Roller Camshaft Lift .714"/.710" Duration 306/315 RPM Range 4800-7200
$55895
Ships on 09/15/2026
Lowest Price GuaranteeChevy 396-454ci Big Block 1965-96
- Drag Race Mechanical Roller Camshaft
Lift .714"/.710"
Duration 306/315
RPM Range 4800-7200
396-454ci, Heavy car, 12:1 compression.
| Operating Range: | 4800-7200 RPM |
| Duration Advertised: | 306° Intake / 315° Exhaust |
| Duration @ .050' Lift: | 270° Intake / 280° Exhaust |
| Valve Lift w/1.7 Rockers: | .714' Intake / .710' Exhaust |
| Valve Setting: | .024' Intake / .026' 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
Bracket race 468-496c.i. heavy car, 12:1+ 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
BrandCOMP CAMS
Package Height2.9
Package Width3.1
Package Length24.5
Weight10.75 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)280
Cam StyleMechanical roller tappet
Grind NumberCB 306B-R10
Exh. Duration Advertised (Deg)315
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.714
Int. Duration @ .050 In. (Deg)270
Basic Operating Rpm Range4,800-7,200
Intake Valve Lash0.024 in (0.61 mm)
Intake Valve Lift0.714 in (18.136 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)306
Lobe Separation (Deg)110
Rpm Range4800-7200
Advertised Duration306 int./315 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.71
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.714 int./0.710 exh.
QuantitySold individually
Exhaust Valve Lash0.026 in (0.66 mm)
Exhaust Valve Lift0.71 in (18.034 mm)
Advertised Intake Duration306
Intake Duration At 050 Inch Lift270
Exhaust Duration At 050 Inch Lift280
Advertised Exhaust Duration315
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift270 int./280 exh.
Valve Springs RequiredYes
Vendor Part Number11-724-9
Package Qty1
Package TypeEA
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