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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-681-47
Drag Race Mechanical Flat Tappet Camshaft 4 & 7 Swap Big Block Chevy 396-454 1965-96 Lift: .635"/.637"
$37695
Ships on 09/15/2026
Lowest Price GuaranteeChevy Big Block 396-454 1965-96
- Drag Race Mechanical Flat Tappet Camshaft
- Lift: .635"/.637"
- Duration: 292°/308°
- Lobe Separation Angle: 108°
- RPM Range: 3600-6800
- Drag Race Xtreme RX Camshaft
- 1 Year Limited Warranty
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
427+ engines, 4000+ stall, 11:1+ compression.
4 & 7 Swap
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.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeCamshaft
BrandCOMP CAMS
Package Height2.8
Package Width3.1
Package Length24.3
Weight10.4 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)270
Cam StyleMechanical flat tappet
Grind NumberCB 47S TL292A-8
Exh. Duration Advertised (Deg)308
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.635
Int. Duration @ .050 In. (Deg)262
Basic Operating Rpm Range3,600-6,800
Intake Valve Lash0.018 in (0.457 mm)
Intake Valve Lift0.635 in (16.129 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)292
Lobe Separation (Deg)108
Rpm Range3600-6800
Advertised Duration292 int./308 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.637
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.635 int./0.637 exh.
QuantitySold individually
Exhaust Valve Lash0.02 in (0.508 mm)
Exhaust Valve Lift0.637 in (16.18 mm)
Advertised Intake Duration292
Intake Duration At 050 Inch Lift262
Exhaust Duration At 050 Inch Lift270
Advertised Exhaust Duration308
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift262 int./270 exh.
Valve Springs RequiredYes
Vendor Part Number11-681-47
Package Qty1
Package TypeEA
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