Xtreme Energy 250H Hydraulic Flat Tappet Camshaft Only Lift .432"/.444" Duration 250°/260° RPM Range 600-4800
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-21-220-4

Xtreme Energy 250H Hydraulic Flat Tappet Camshaft Only Lift .432"/.444" Duration 250°/260° RPM Range 600-4800

$30995
ShippingShips on 12/14/2026
Lowest PriceLowest Price Guarantee

Chrysler 383-440ci Big Block 1959-80
Single Bolt Gear
    Xtreme Energy 250H Hydraulic Flat Tappet Camshaft Only
    Lift .432"/.444"
    Duration 250°/260°
    RPM Range 600-4800

  • Produces Better Throttle Response
  • Produces Top Engine Horsepower
  • Delivers Increased Engine Vacuum
  • 1 Year Limited Warranty

    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


    Very strong torque, excellent mileage, smooth 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 Height2.9
Package Width3.0
Package Length24.3
Weight10.25 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)212
Cam StyleHydraulic flat tappet
Grind NumberXE250H
Exh. Duration Advertised (Deg)260
Engine Make/SizeMopar 383-440
Intake Valve Lift With Factory Rocker Arm Ratio (I0.432
Int. Duration @ .050 In. (Deg)206
Basic Operating Rpm Range600-4,800
Intake Valve Lift0.432 in (10.973 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)250
Lobe Separation (Deg)110
Rpm Range600-4800
Advertised Duration250 int./260 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.444
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.432 int./0.444 exh.
Camshaft Gear Attachment1-bolt
QuantitySold individually
Exhaust Valve Lift0.444 in (11.278 mm)
Advertised Intake Duration250
Intake Duration At 050 Inch Lift206
Exhaust Duration At 050 Inch Lift212
Advertised Exhaust Duration260
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift206 int./212 exh.
Valve Springs RequiredYes
Vendor Part Number21-220-4
Package Qty1
Package TypeEA

Items You Need

Engine Assembly Lube [4 oz. Bottle]

JEGS

Engine Assembly Lube [4 oz. Bottle]

Part Number : 555-28000
$599$6.99
You Save$1.00
Break-In/Engine Oil Supplement [12 oz. Bottle]

JEGS

Break-In/Engine Oil Supplement [12 oz. Bottle]

Part Number : 555-28060
$1009$11.99
You Save$1.90
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80518
$919$9.99
You Save$0.80
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80521
$5299$58.99
You Save$6.00
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning
Your Cart

Your shopping cart is empty!