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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-68-235-4
'Xtreme 4x4' Hydraulic Flat Tappet Camshaft
$30995
Ships on 09/08/2026
Lowest Price GuaranteeAMC 199-258ci, 4.0L 6cyl 1964-97
- Xtreme 4x4 X4254H Hydraulic Flat Tappet Camshaft
Lift: .477''/.493''
Duration: 254°/262°
Lobe Separation Angle: 111°
RPM Range: 1000-5300
Good torque and excellent midrange power. Best with lower gear ratios.
| Operating Range: | 1000-5300 RPM |
| Duration Advertised: | 254° Intake / 262° Exhaust |
| Duration @ .050' Lift: | 210° Intake / 218° Exhaust |
| Valve Lift w/1.6 Rockers: | .477' Intake / .493' Exhaust |
| Lobe Separation Angle: | 111° |
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.
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 Length31.0
Weight12.05 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)218
Cam StyleHydraulic flat tappet
Grind NumberA6 X4 254H-11
Exh. Duration Advertised (Deg)262
Engine Make/SizeAMC 199-258
Intake Valve Lift With Factory Rocker Arm Ratio (I0.477
Int. Duration @ .050 In. (Deg)210
Basic Operating Rpm Range1,000-5,200
Intake Valve Lift0.477 in (12.116 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)254
Lobe Separation (Deg)111
Rpm Range1000-5200
Advertised Duration254 int./262 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.493
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.477 int./0.493 exh.
QuantitySold individually
Exhaust Valve Lift0.493 in (12.522 mm)
Advertised Intake Duration254
Intake Duration At 050 Inch Lift210
Exhaust Duration At 050 Inch Lift218
Advertised Exhaust Duration262
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift210 int./218 exh.
Valve Springs RequiredYes
Vendor Part Number68-235-4
Package Qty1
Package TypeEA
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