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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-CL21-243-4
Magnum 305H Hydraulic Flat Tappet Camshaft & Lifter Kit Lift: .525" /.525" Duration: 305°/305° RPM Range: 3500-6500
$39795
Ships on 10/23/2026
Lowest Price GuaranteeChrysler 383-440ci 1959-1980
- Magnum 305H Hydraulic Flat Tappet Camshaft & Lifter Kit
Lift: .525''/.525"
Duration: 305°/305°
RPM Range: 3500-6500
*Note: Pro Street. 383 needs 3500-3700+ stall. 440 needs 3000-3300+ stall. 850 CFM carb, 10:1+ compression. Headers and intake, 3.90-4.30 gear, Single-bolt cam gear.
| Operating Range: | 3500-6800 RPM |
| Duration Advertised: | 305° Intake / 305° Exhaust |
| Duration @ .050' Lift: | 253° Intake / 253° Exhaust |
| Valve Lift w/1.7 Rockers: | .525' Intake / .525' Exhaust |
| Lobe Separation Angle: | 110° |
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
Pro Street. 383 needs 3500-3700+ stall. 440 needs 3000-3300+ stall. 850 CFM carb, 10:1+ compression. Headers and good int, 3.90-4.30 gear.
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 Kit
BrandCOMP CAMS
Package Height3.0
Package Width5.5
Package Length25.5
Weight14.4 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)253
Cam StyleHydraulic flat tappet
Grind Number305H
Exh. Duration Advertised (Deg)305
Locks IncludedNo
Engine Make/SizeMopar 361-400
Retainers IncludedNo
Intake Valve Lift With Factory Rocker Arm Ratio (I0.525
Int. Duration @ .050 In. (Deg)253
Assembly Lubricant IncludedYes
Basic Operating Rpm Range3,500-6,500
Pushrods IncludedNo
Gaskets IncludedNo
Rocker Arms IncludedNo
Intake Valve Lift0.525 in (13.335 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)305
Lobe Separation (Deg)110
Rpm Range3500-6500
Lifter StyleHydraulic flat tappet
Advertised Duration305 int./305 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.525
Valve Springs IncludedNo
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.525 int./0.525 exh.
Camshaft Gear Attachment1-bolt
QuantitySold as a kit
Valve Stem Seals IncludedNo
Exhaust Valve Lift0.525 in (13.335 mm)
Advertised Intake Duration305
Intake Duration At 050 Inch Lift253
Exhaust Duration At 050 Inch Lift253
Timing Chain And Gears IncludedNo
Advertised Exhaust Duration305
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift253 int./253 exh.
Valve Springs RequiredYes
Lifters IncludedYes
Vendor Part NumberCL21-243-4
Package Qty1
Package TypeEA
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