Mutha" Thumpr Hydraulic Flat Tappet Camshaft Lift .521"/.589" Duration 287/304 RPM Range 2200-6100
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-24-601-5

Mutha" Thumpr Hydraulic Flat Tappet Camshaft Lift .521"/.589" Duration 287/304 RPM Range 2200-6100

$32595
ShippingShips on 09/15/2026
Lowest PriceLowest Price Guarantee

Chrysler 426 Hemi 8 CYL. 1966-1971
    Mutha' Thumpr Hydraulic Flat Tappet Camshaft
    Lift .521"/.589"
    Duration 287/304
    RPM Range 2200-6100

    Mutha' Thumpr™ : High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.

    426 HEMI; 426; 392; Plymouth; Charger; Challenger; Six Pack; Barracuda; Cuda; Coronet; Wedge; B; RB; 440; 383; HEMI


    High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, 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 Height2.75
Package Width3.0
Package Length24.5
Weight9.8 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)249
Cam StyleHydraulic flat tappet
Grind Number279TH7
Exh. Duration Advertised (Deg)304
Engine Make/SizeMopar 426 Hemi
Intake Valve Lift With Factory Rocker Arm Ratio (I0.508
Int. Duration @ .050 In. (Deg)235
Basic Operating Rpm Range2,000-5,800
Intake Valve Lift0.521 in (13.233 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)287
Lobe Separation (Deg)107
Rpm Range2200-6100
Advertised Duration279 int./296 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.479
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.508 int./0.479 exh.
Camshaft Gear Attachment3-bolt
QuantitySold individually
Exhaust Valve Lift0.489 in (12.421 mm)
Advertised Intake Duration279
Intake Duration At 050 Inch Lift227
Exhaust Duration At 050 Inch Lift241
Advertised Exhaust Duration296
Lifter TypeHydraulic Flat Tappet
Duration At 050 Inch Lift227 int./241 exh.
Valve Springs RequiredYes
Vendor Part Number24-601-5
Package Qty1
Package TypeEA
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