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Vehicle Info NeededCOMP CAMSPART NUMBER: 249-48-600-5
Thumpr Hydraulic Flat Tappet Camshaft Lift .512"/.498" Duration 278/296 RPM Range 1500-5000
$32595
Ships on 10/22/2026
Lowest Price GuaranteeChevy 348-409 c.i. 8 CYL. 1958-1965(Classic Thumpr)
- Thumpr Hydraulic Flat Tappet Camshaft
- 3 Grinds To Fit All Of Your Performance Needs
- Unique Design
- Maximizes Sound And Mid To High RPM Power
- Ensures Safe Piston-To-Valve Clearance
- Proven To Generate 25+ RWHP Gains
- Does Not Compromise Durability
- 1 Year Limited Warranty
Performance street with good low end, stock converter ok, needs gears. Choppy/thumping idle.
Lift .512"/.498"
Duration 278/296
RPM Range 1500-5000
Part TypeCamshaft
BrandCOMP CAMS
Package Height2.8
Package Width3.3
Package Length24.3
Weight9.8 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)241
Cam StyleHydraulic flat tappet
Grind Number279TH7
Exh. Duration Advertised (Deg)296
Engine Make/SizeChevy 348-409
Intake Valve Lift With Factory Rocker Arm Ratio (I0.512
Int. Duration @ .050 In. (Deg)226
Basic Operating Rpm Range2,000-5,800
Intake Valve Lift0.512 in (13.005 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)278
Lobe Separation (Deg)107
Rpm Range2000-5800
Advertised Duration278 int./296 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.498
UsageStreet/Performance
Valve Lift With Factory Rocker Arm Ratio0.512 int./0.498 exh.
QuantitySold individually
Exhaust Valve Lift0.498 in (12.649 mm)
Advertised Intake Duration278
Intake Duration At 050 Inch Lift226
Exhaust Duration At 050 Inch Lift241
Advertised Exhaust Duration296
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift226 int./241 exh.
Valve Springs RequiredYes
Vendor Part Number48-600-5
Package Qty1
Package TypeEA
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