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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-20-742-9
Xtreme Energy Mechanical Roller Camshaft Chrysler 273-360ci 1964-2000 Lift: .564"/.570"
$55895
Ships on 09/15/2026
Lowest Price GuaranteeChrysler 273-360 C.I. 8 CYL. 1964-2000
- Xtreme Energy Mechanical Roller Camshaft
- Lift: .564"/.570"
- Duration: 274°/280°
- Lobe Separation Angle: 110°
- RPM Range: 2200-6300
Mechanical Roller-Serious street/strip use. 9.5:1 comp with 2800 stall. Lopey 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
Serious street/strip use. 9.5:1 compression with 2800+ stall. Lopey idle.
Chrysler 273-360ci 1964-2000
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
BrandCOMP CAMS
Package Height2.75
Package Width3.0
Package Length24.5
Weight9.53 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)242
Cam StyleMechanical roller tappet
Grind NumberXR274R
Exh. Duration Advertised (Deg)280
Engine Make/SizeMopar V8
Intake Valve Lift With Factory Rocker Arm Ratio (I0.564
Int. Duration @ .050 In. (Deg)236
Basic Operating Rpm Range2,200-6,300
Intake Valve Lash0.016 in (0.406 mm)
Intake Valve Lift0.564 in (14.326 mm)
Computer-Controlled CompatibleYes
Int. Duration Advertised (Deg)274
Lobe Separation (Deg)110
Rpm Range2200-6300
Advertised Duration274 int./280 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.57
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.564 int./0.570 exh.
QuantitySold individually
Exhaust Valve Lash0.018 in (0.457 mm)
Exhaust Valve Lift0.57 in (14.478 mm)
Advertised Intake Duration274
Intake Duration At 050 Inch Lift236
Exhaust Duration At 050 Inch Lift242
Advertised Exhaust Duration280
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift236 int./242 exh.
Valve Springs RequiredYes
Vendor Part Number20-742-9
Package Qty1
Package TypeEA
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