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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-20-231-4
Xtreme Energy Mechanical Flat Camshaft Lift: .520"/.540"
$30995
Ships on Sep 04, 2026
Lowest Price GuaranteeChrysler 273-360 C.I. 8 CYL. 1964-2000
- Xtreme Energy Mechanical Flat Camshaft
- Lift: .520"/.540"
- Duration: 282°/290°
- Lobe Separation Angle: 110°
- RPM Range 2500-6500
Solid-Serious street/strip effort, needs 10:1 compression, single plane intake and 3000 stall. Radical 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 effort, needs 10:1 compression, single plane intake and 3000 stall. Radical 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 Height3.0
Package Width3.0
Package Length24.5
Weight9.5 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)252
Cam StyleMechanical flat tappet
Grind NumberCRS XS282S10
Exh. Duration Advertised (Deg)290
Engine Make/SizeMopar 273-360
Intake Valve Lift With Factory Rocker Arm Ratio (I0.52
Int. Duration @ .050 In. (Deg)244
Basic Operating Rpm Range2,500-6,500
Intake Valve Lash0.016 in (0.406 mm)
Intake Valve Lift0.52 in (13.208 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)282
Lobe Separation (Deg)110
Rpm Range2500-6500
Advertised Duration282 int./290 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.54
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.520 int./0.540 exh.
QuantitySold individually
Exhaust Valve Lash0.018 in (0.457 mm)
Exhaust Valve Lift0.54 in (13.716 mm)
Advertised Intake Duration282
Intake Duration At 050 Inch Lift244
Exhaust Duration At 050 Inch Lift252
Advertised Exhaust Duration290
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift244 int./252 exh.
Valve Springs RequiredYes
Vendor Part Number20-231-4
Package Qty1
Package TypeEA
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