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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-23-707-9
Drag Race Mechanical Roller Camshaft Lift: .657" /.659" Duration: 308°/315° RPM Range: 4500-7000
$62295
1 left in stock
Ships on Sep 14, 2026
Lowest Price GuaranteeChrysler 383-440 C.I. 8 CYL. 1959-1980
- Drag Race Mechanical Roller Camshaft
Lift: .657''/.659''
Duration: 308°/315°
RPM Range: 4500-7000
Super Gas / Super Street with12:1 compression and 850 + cfm Carburetor. 5000 + Stall Convertor with 440ci. 5400 + Stall Convertor with 383ci.
| Operating Range: | 4500-7000 RPM |
| Duration Advertised: | 308° Intake / 315° Exhaust |
| Duration @ .050' Lift: | 275° Intake / 282° Exhaust |
| Valve Lift w/1.5 Rockers: | .657' Intake / .659' Exhaust |
| Valve Setting: | .026' Intake / .028' Exhaust |
| Lobe Separation Angle: | 108° |
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
Good Super Gas, Super Street with 12:1 compression and 850+ CFM carb. 5000+ stall with 440, 5400+ with 383.
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 Height3.0
Package Width3.0
Package Length24.25
Weight9.5 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)282
Cam StyleMechanical roller tappet
Grind NumberCRB3 RX308R-8
Exh. Duration Advertised (Deg)315
Engine Make/SizeChevy Big Block (396-454)
Intake Valve Lift With Factory Rocker Arm Ratio (I0.657
Int. Duration @ .050 In. (Deg)275
Basic Operating Rpm Range4,400-7,000
Intake Valve Lash0.026 in (0.66 mm)
Intake Valve Lift0.657 in (16.688 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)308
Lobe Separation (Deg)108
Rpm Range4500-7000
Advertised Duration308 int./315 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.659
UsageStrip
Valve Lift With Factory Rocker Arm Ratio0.657 int./0.659 exh.
Camshaft Gear Attachment3-bolt
QuantitySold individually
Exhaust Valve Lash0.028 in (0.711 mm)
Exhaust Valve Lift0.659 in (16.739 mm)
Advertised Intake Duration308
Intake Duration At 050 Inch Lift275
Exhaust Duration At 050 Inch Lift285
Advertised Exhaust Duration315
Lifter TypeMechanical Roller
Part FitmentSemi Universal
Duration At 050 Inch Lift275 int./285 exh.
Valve Springs RequiredYes
Vendor Part Number23-707-9
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
