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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-20-225-4
Xtreme Energy 284H Hydraulic Flat Tappet Camshaft Only Lift .507"/.510" Duration 284°/296° RPM Range 2300-6500
$30995
Ships on Sep 15, 2026
Lowest Price GuaranteeChrysler 273-360ci Small Block 1964-2003
- Xtreme Energy 284H Hydraulic Flat Tappet Camshaft Only
Lift .507"/.510"
Duration 284°/296°
RPM Range 2300-6500
Hydraulic-Street / Strip, needs3000+ stall, headers, gears, rough idle.
273, 360, 318, AMC, Dodge, Mopar, Plymouth, Dart, Road Runner, Charger, Challenger, 383, 400, 440, 426, HEMI, 426 Wedge, 426 HEMI, RB, B, HEMI, 392, Chrysler, LA
Street/strip, needs 3000+ stall, headers, gears, rough 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
Weight10.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)246
Cam StyleHydraulic flat tappet
Grind NumberCRS XE284H-10
Exh. Duration Advertised (Deg)296
Engine Make/SizeMopar 273-360
Intake Valve Lift With Factory Rocker Arm Ratio (I0.507
Int. Duration @ .050 In. (Deg)240
Basic Operating Rpm Range2,300-6,500
Intake Valve Lift0.507 in (12.878 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)284
Lobe Separation (Deg)110
Rpm Range2300-6500
Advertised Duration284 int./296 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.51
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.507 int./0.510 exh.
QuantitySold individually
Exhaust Valve Lift0.51 in (12.954 mm)
Advertised Intake Duration284
Intake Duration At 050 Inch Lift240
Exhaust Duration At 050 Inch Lift246
Advertised Exhaust Duration296
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift240 int./246 exh.
Valve Springs RequiredYes
Vendor Part Number20-225-4
Package Qty1
Package TypeEA
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