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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-SK21-243-4
Magnum 305H Hydraulic Flat Tappet Camshaft Small Kit Lift: .525"/.525" Duration: 305°/305° RPM Range: 3500-6500
$45795
Ships on Oct 28, 2026
Lowest Price GuaranteeCurrently Unavailable
This product is currently not available. Please call customer service for assistance at 1-800-345-4545.
Chrysler 383-440ci 1959-1980
- Magnum 305H Hydraulic Flat Tappet Camshaft Small Kit
Lift: .525"/.525"
Duration: 305°/305°
RPM Range: 3500-6500
Hydraulic-Pro Street. 383 needs 3500-3700 stall. 440 needs 3000-3300 stall. 850 CFM carb 10:1 up. Headers & good int. 3.90-4.30 gear.
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 Height5.0
Package Width10.3
Package Length25.4
Weight19.0 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)253
Cam StyleHydraulic flat tappet
Grind NumberCRB 305H-10
Exh. Duration Advertised (Deg)305
Locks IncludedNo
Engine Make/SizeMopar 383-440
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/Strip
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 StyleDouble non-roller
Timing Chain And Gears IncludedYes
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 NumberSK21-243-4
Package Qty1
Package TypeEA
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