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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-20-810-9
Comp Cams Xtreme Energy Hydraulic Roller Camshafts
$55895
Ships on 09/08/2026
Lowest Price GuaranteeChrysler 273-360 C.I. 8 CYL. 1964-2003
- Xtreme Energy Retro-Fit XR268HR-10 Hydraulic Roller Camshaft
Lift .531"/.531"
Duration 268/276
Lobe Separation Angle: 110°
RPM Range 1400-5500
Hydraulic Roller-3.23-3.91 Gears, stockconverter in 340 & 360, mild converter in 318,9:1 compression, street machine.
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
3.23-3.91 gears, stock converter in 340 and 360, mild converter in 318, 9:1 compression, street machine.
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 Height2.8
Package Width3.0
Package Length24.3
Weight9.05 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)224
Cam StyleHydraulic roller tappet
Grind NumberXR268HR-10
Exh. Duration Advertised (Deg)276
Engine Make/SizeMopar 273-360
Intake Valve Lift With Factory Rocker Arm Ratio (I0.535
Int. Duration @ .050 In. (Deg)218
Basic Operating Rpm Range1,400-5,500
Intake Valve Lift0.535 in (13.589 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)268
Lobe Separation (Deg)110
Rpm Range1400-5500
Advertised Duration268 int./276 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.531
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.535 int./0.531 exh.
QuantitySold individually
Exhaust Valve Lift0.531 in (13.487 mm)
Advertised Intake Duration268
Intake Duration At 050 Inch Lift218
Exhaust Duration At 050 Inch Lift224
Advertised Exhaust Duration276
Lifter TypeHydraulic Roller Retrofit
Duration At 050 Inch Lift218 int./224 exh.
Valve Springs RequiredYes
Vendor Part Number20-810-9
Package Qty1
Package TypeEA
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