Mutha" Thumpr Hydraulic Flat Tappet Camshaft and Lifter Kit Lift .519"/.503" Duration 286/304 RPM Range 2200-6100

Vehicle Info Needed

COMP CAMSPART NUMBER: 249-CL33-601-5

Mutha" Thumpr Hydraulic Flat Tappet Camshaft and Lifter Kit Lift .519"/.503" Duration 286/304 RPM Range 2200-6100

Name: Mutha" Thumpr Hydraulic Flat Tappet Camshaft and Lifter Kit Lift .519"/.503" Duration 286/304 RPM Range 2200-6100
Brand: COMP CAMS
SKU: 249-CL33-601-5
Price: 439.95 USD
Availability: InStock

^$439⁹⁵

Ships on 10/23/2026

Lowest Price Guarantee

Ford 352-428 c.i. 8 CYL. 1963-1976

Lift

Duration

RPM Range

Camshaft And Lifter Kit
3 Grinds To Fit All Of Your Performance Needs
Long Exhaust Duration
Produces A Powerful Hard-Hitting Exhaust Note
Excellent Horsepower Gains And Broad Torque Curve
Delivers Real Seat Of The Pants Performance
Designed For Use w/Latest In ValveTrain Components
1 Year Limited Warranty
Ford, FE, 352, 428, Super Cobra Jet, SCJ, Cobra Jet, Mustang, Mach 1, Shelby, 332, 361, 390, 406, 410, 427, 428, Truck, F100, F150, Ford Truck

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 Kit

BrandCOMP CAMS

Package Height3.3

Package Width5.6

Package Length25.3

Weight15.01 PG

Part CategoryPerformance Parts

Exh. Duration @ .050 In. (Deg)249

Cam StyleHydraulic flat tappet

Grind Number287TH7

Exh. Duration Advertised (Deg)304

Locks IncludedNo

Engine Make/SizeFord 352-428

Retainers IncludedNo

Intake Valve Lift With Factory Rocker Arm Ratio (I0.519

Int. Duration @ .050 In. (Deg)234

Assembly Lubricant IncludedYes

Basic Operating Rpm Range2,200-6,100

Pushrods IncludedNo

Gaskets IncludedNo

Rocker Arms IncludedNo

Intake Valve Lift0.519 in (13.183 mm)

Computer-Controlled CompatibleNo

Int. Duration Advertised (Deg)286

Lobe Separation (Deg)107

Rpm Range2200-6100

Lifter StyleHydraulic flat tappet

Advertised Duration286 int./304 exh.

Exhaust Valve Lift With Factory Rocker Arm Ratio (0.503

Valve Springs IncludedNo

UsageStreet/Strip

Valve Lift With Factory Rocker Arm Ratio0.519 int./0.503 exh.

QuantitySold as a kit

Valve Stem Seals IncludedNo

Exhaust Valve Lift0.503 in (12.776 mm)

Advertised Intake Duration286

Intake Duration At 050 Inch Lift234

Exhaust Duration At 050 Inch Lift249

Timing Chain And Gears IncludedNo

Advertised Exhaust Duration304

Lifter TypeHydraulic Flat Tappet

Part FitmentSemi Universal

Duration At 050 Inch Lift234 int./249 exh.

Valve Springs RequiredYes

Lifters IncludedYes

Vendor Part NumberCL33-601-5

Package Qty1

Package TypeEA

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