
COMP CAMSPART NUMBER: 249-11-650-47
Comp Cams Xtreme Energy Hydraulic Flat Tappet Camshafts
$37695
Chevy 396-454ci Big Block 1965-96 4 & 7 Swap Firing Order
- Xtreme Energy Hydraulic Flat Tappet Camshaft with 18736542 Firing Order 4 & 7 swap firing order
Lift .552"/.555"
Duration 274°/286°
RPM Range 1800 to 6000
Hydraulic-High performance street, strong mid-range, needs headers and 2500+ stall.
Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, 454, 427, 502, 396, Caprice, Malibu, Impala, Nova, Monte Carlo, S10, 572
High performance street, strong mid-range, needs headers and 2500+ stall.
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
Weight10.25 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)236
Cam StyleHydraulic flat tappet
Exh. Duration Advertised (Deg)286
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.552
Int. Duration @ .050 In. (Deg)230
Basic Operating Rpm Range1,800-6,000
Intake Valve Lift0.552 in (14.021 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)274
Lobe Separation (Deg)110
Rpm Range1800-6000
Advertised Duration274 int./286 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.555
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.552 int./0.555 exh.
QuantitySold individually
Exhaust Valve Lift0.555 in (14.097 mm)
Advertised Intake Duration274
Intake Duration At 050 Inch Lift230
Exhaust Duration At 050 Inch Lift236
Advertised Exhaust Duration286
Lifter TypeMechanical Flat Tappet
Duration At 050 Inch Lift230 int./236 exh.
Valve Springs RequiredYes
Vendor Part Number11-650-47
Package Qty1
Package TypeEA
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