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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK68-235-4
'Xtreme 4x4' Hydraulic Flat Tappet Camshaft
$43895
Ships on 10/19/2026
Lowest Price GuaranteeAMC 199-258ci, 4.0L 6cyl 1964-97
- Xtreme 4x4 X4254H Hydraulic Flat Tappet Camshaft Small Kit
- Xtreme 4 X 4; Camshaft Small Kit
- 1 Year Limited Warranty
AMC; Jeep; 4.0; 199; 258; 232; 242; XJ; Cherokee; Wagoneer; Comanche; Grand Wagoneer; Wrangler; JK; Rambler; Eagle; ZJ; Chrysler; AM General; American Motors
Good torque and excellent mid-range power. Best with lower gear ratios.
Lift: .477''/.493''
Duration: 254°/262°
Lobe Separation Angle: 111°
RPM Range: 1000-5300
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.
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Part TypeCamshaft Kit
BrandCOMP CAMS
Package Height6.75
Package Width20.0
Package Length29.0
Weight22.25 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)218
Cam StyleHydraulic flat tappet
Grind NumberA6 X4 254H-11
Exh. Duration Advertised (Deg)262
Locks IncludedNo
Engine Make/SizeAMC 199-258
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.477
Int. Duration @ .050 In. (Deg)210
Assembly Lubricant IncludedYes
Basic Operating Rpm Range1,000-5,200
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.477 in (12.116 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)254
Lobe Separation (Deg)111
Rpm Range1000-5200
Lifter StyleHydraulic flat tappet
Advertised Duration254 int./262 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.493
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.477 int./0.493 exh.
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.493 in (12.522 mm)
Advertised Intake Duration254
Intake Duration At 050 Inch Lift210
Exhaust Duration At 050 Inch Lift218
Timing Chain StyleDouble non-roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration262
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift210 int./218 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberSK68-235-4
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
