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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-K10-214-5
Xtreme Energy 256H Hydraulic Flat Tappet Camshaft Complete Kit Lift: .477"/.484" Duration: 256°/268° RPM Range: 1200-5200
$74595
Ships on 10/23/2026
Lowest Price GuaranteeAMC 290-401ci 1966-1991
- Xtreme Energy 256H Hydraulic Flat Tappet Camshaft Complete Kit
- Produces Better Throttle Response
- Produces Top Engine Horsepower
- Delivers Increased Engine Vacuum
- 1 Year Limited Warranty
AMC; Jeep; 4.0; 290; XJ; Cherokee; Wagoneer; Comanche; Grand Wagoneer; Wrangler; JK; Rambler; Eagle; ZJ; Chrysler; AM General; American Motors; 327; 390; 304; 327; 343; 360; 5.9; Rebel; Nash; AMX; Javelin
Strong torque through low end and mid-range, good idle.
Lift: .477"/.484"
Duration: 256°/268°
RPM Range: 1200-5200
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 Kit
BrandCOMP CAMS
Package Height5.2
Package Width10.4
Package Length25.4
Weight26.35 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)218
Cam StyleHydraulic flat tappet
Grind NumberXE256H
Exh. Duration Advertised (Deg)268
Locks IncludedYes
Engine Make/SizeAMC 290-401
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.477
Int. Duration @ .050 In. (Deg)212
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,200-5,200
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.477 in (12.116 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)256
Lobe Separation (Deg)110
Rpm Range1200-5200
Lifter StyleHydraulic flat tappet
Advertised Duration256 int./268 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.484
Valve Springs IncludedYes
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.477 int./0.484 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lift0.484 in (12.294 mm)
Advertised Intake Duration256
Outside Diameter Of Outer Spring1.475 in (37.5 mm)
Intake Duration At 050 Inch Lift212
Exhaust Duration At 050 Inch Lift218
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration268
Lifter TypeHydraulic Roller
Duration At 050 Inch Lift212 int./218 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK10-214-5
Package Qty1
Package TypeEA
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