
COMP CAMSPART NUMBER: 249-11-234-3
Xtreme Energy 256H Hydraulic Flat Tappet Camshaft Only Lift .480"/.485" Duration 256°/268° RPM Range 1000-5200
$29795
1 left in stockChevy 396-454ci Big Block 1965-96
- Xtreme Energy 256H Hydraulic Flat Tappet Camshaft Only
Lift .480"/.485"
Duration 256°/268°
RPM Range 1000-5200
Hydraulic-Strong torque thru low & mid-range, good 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
Strong torque thru low and mid-range, good 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 Height2.75
Package Width2.87
Package Length24.5
Weight10.75 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)218
Cam StyleHydraulic flat tappet
Grind NumberCB XE256H-10
Exh. Duration Advertised (Deg)268
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.48
Int. Duration @ .050 In. (Deg)212
Basic Operating Rpm Range1,000-5,200
Intake Valve Lift0.48 in (12.192 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)256
Lobe Separation (Deg)110
Rpm Range1000-5200
Advertised Duration256 int./268 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.485
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.480 int./0.485 exh.
QuantitySold individually
Exhaust Valve Lift0.485 in (12.319 mm)
Advertised Intake Duration256
Intake Duration At 050 Inch Lift212
Exhaust Duration At 050 Inch Lift218
Advertised Exhaust Duration268
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift212 int./218 exh.
Valve Springs RequiredYes
Vendor Part Number11-234-3
Package Qty1
Package TypeEA
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