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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-753-14
Drag Race Mechanical Roller Camshaft 4/7 Swap Firing Order Lift .839"/.800" Duration 314/338 RPM Range 5000-9000
$54695
Ships on 09/16/2026
Lowest Price GuaranteeChevy 396-454ci Big Block 1965-96 4&7 Swap Firing Order
- Drag Race Mechanical Roller Camshaft
4/7 Swap Firing Order
Lift .839"/.800"
Duration 314/338
RPM Range 5000-9000
Mechanical Roller-Large cubic inch and Nitrous applications
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Large cubic inch and nitrous applications.
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 Height2.75
Package Width3.0
Package Length24.5
Weight10.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)300
Cam StyleMechanical roller tappet
Grind Number47S 314RXH-15
Exh. Duration Advertised (Deg)338
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.839
Int. Duration @ .050 In. (Deg)281
Basic Operating Rpm Range5,000-9,000
Intake Valve Lash0.026 in (0.66 mm)
Intake Valve Lift0.839 in (21.311 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)314
Lobe Separation (Deg)115
Rpm Range5000-9000
Advertised Duration314 int./338 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.8
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.839 int./0.800 exh.
QuantitySold individually
Exhaust Valve Lash0.028 in (0.711 mm)
Exhaust Valve Lift0.8 in (20.32 mm)
Advertised Intake Duration314
Intake Duration At 050 Inch Lift281
Exhaust Duration At 050 Inch Lift300
Advertised Exhaust Duration338
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift281 int./300 exh.
Valve Springs RequiredYes
Vendor Part Number11-753-14
Package Qty1
Package TypeEA
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