
COMP CAMSPART NUMBER: 249-20-603-9
Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft Lift: .533"/.519"
$55895
Chrysler 273-360 ci. 8 Cyl. 1964-2003 Non-Factory Roller Block Big Mutha Thumpr
- Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft
- Lift: .533"/.519"
- Duration: 299°/319°
- Lobe Separation Angle: 107°
- RPM Range: 2500-6200
Valve Setting: Intake - Hyd, Exhaust - Hyd
RPM Operating Range: 2500 to 6200
Cam Grind Number: 299THR7
Duration Advertised: Intake - 299, Exhaust - 319
Duration @ .050': Intake - 243, Exhaust - 257
Valve Lift: Intake - .531, Exhaust - .517
Lobe Sep. Angle: 107°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
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.
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 Height2.8
Package Width2.9
Package Length24.3
Weight8.9 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)257
Cam StyleHydraulic roller tappet
Grind Number299THR7
Exh. Duration Advertised (Deg)319
Engine Make/SizeMopar 273-360
Intake Valve Lift With Factory Rocker Arm Ratio (I0.533
Int. Duration @ .050 In. (Deg)243
Basic Operating Rpm Range2,500-6,200
Intake Valve Lift0.533 in (13.538 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)299
Lobe Separation (Deg)107
Rpm Range2500-6200
Advertised Duration299 int./319 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.519
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.533 int./0.519 exh.
QuantitySold individually
Exhaust Valve Lift0.519 in (13.183 mm)
Advertised Intake Duration299
Intake Duration At 050 Inch Lift243
Exhaust Duration At 050 Inch Lift257
Advertised Exhaust Duration319
Lifter TypeHydraulic Roller Retrofit
Part FitmentSemi Universal
Duration At 050 Inch Lift243 int./257 exh.
Valve Springs RequiredYes
Vendor Part Number20-603-9
Package Qty1
Package TypeEA
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