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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-11-654-47
Xtreme Energy Mechanical Flat Camshaft 4 & 7 Swap
$37695
Ships on 09/10/2026
Lowest Price GuaranteeChevy Big Block 396-454ci 1965-964 & 7 Swap Firing Order
- Xtreme Energy Mechanical Flat Camshaft
- 4 & 7 Swap
- Lift: .590"/.598"
- Duration: 282°/290°
- Lobe Separation Angle: 110°
- RPM Range 2400-6800
Solid-Street/Strip, 3000+ stall, likes headers & gears, rough idle.Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
Street/strip, 3000+ stall, likes headers and gears, rough idle.
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 Height3.0
Package Width3.1
Package Length24.3
Weight10.5 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)252
Cam StyleMechanical flat tappet
Exh. Duration Advertised (Deg)290
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.59
Int. Duration @ .050 In. (Deg)244
Basic Operating Rpm Range2,400-6,800
Intake Valve Lash0.016 in (0.406 mm)
Intake Valve Lift0.59 in (14.986 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)282
Lobe Separation (Deg)110
Rpm Range2400-6800
Advertised Duration282 int./290 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.598
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.590 int./0.598 exh.
QuantitySold individually
Exhaust Valve Lash0.016 in (0.406 mm)
Exhaust Valve Lift0.598 in (15.189 mm)
Advertised Intake Duration282
Intake Duration At 050 Inch Lift244
Exhaust Duration At 050 Inch Lift252
Advertised Exhaust Duration290
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift244 int./252 exh.
Valve Springs RequiredYes
Vendor Part Number11-654-47
Package Qty1
Package TypeEA
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