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Product Discontinued
COMP CAMSPART NUMBER: 249-48-602-5
Big Mutha Thumpr Hydraulic Flat Tappet Camshaft Lift .537"/.521" Duration 294/312 RPM Range 2500-6000
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Chevy 348-409 c.i. 8 CYL. 1958-1965(Classic Thumpr)
- Big Mutha 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
Street/strip, aluminum heads necessary, 2500+ stall, gears and headers, very rough idle.
Lift .537"/.521"
Duration 294/312
RPM Range 2500-6000
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 Height2.75
Package Width3.0
Package Length24.5
Weight9.91 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)257
Cam StyleHydraulic flat tappet
Grind Number295TH7
Exh. Duration Advertised (Deg)312
Engine Make/SizeChevy 348-409
Intake Valve Lift With Factory Rocker Arm Ratio (I0.537
Int. Duration @ .050 In. (Deg)242
Basic Operating Rpm Range2,500-6,400
Intake Valve Lift0.537 in (13.64 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)294
Lobe Separation (Deg)107
Rpm Range2500-6400
Advertised Duration294 int./312 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.521
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.537 int./0.521 exh.
QuantitySold individually
Exhaust Valve Lift0.521 in (13.233 mm)
Advertised Intake Duration294
Intake Duration At 050 Inch Lift242
Exhaust Duration At 050 Inch Lift257
Advertised Exhaust Duration312
Lifter TypeHydraulic Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift242 int./257 exh.
Valve Springs RequiredYes
Vendor Part Number48-602-5
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
