Big Mutha" Thumpr Hydraulic Flat Tappet Camshaft Complete Kit Lift .512"/.497" Duration 295/312 RPM Range 2500-6400
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-K31-603-5

Big Mutha" Thumpr Hydraulic Flat Tappet Camshaft Complete Kit Lift .512"/.497" Duration 295/312 RPM Range 2500-6400

$73095
1 left in stock
ShippingShips on Sep 14, 2026
Lowest PriceLowest Price Guarantee

Ford 289-302 C.I. 8 cyl. 1963-1995
    Big Mutha' Thumpr Hydraulic Flat Tappet Camshaft Complete Kit
    Lift .512"/.497"
    Duration 295/312
    RPM Range 2500-6400

  • Complete 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; SBF; Mustang; Windsor; Fairlane; Meteor; Mercury; GT; 22; 260; Sunbeam; Tiger; 289; 302; 351; 289; HiPo; K-Code; GT-350; Shelby; Boss; 5.0; 308; Windsor; Torino; Cougar; F-150; Squire; Thunderbird; LTD; Galaxie; Grand Marquis


    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 Kit
BrandCOMP CAMS
Package Height5.0
Package Width10.5
Package Length26.0
Weight25.0 PG
Part CategoryPerformance Parts
UsageStreet/Hi-Performance
Intake Valve Lift0.512 in (13.005 mm)
Int. Duration Advertised (Deg)295
Exh. Duration @ .050 In. (Deg)257
Rpm Range2500-6400
Lifter TypeHydraulic Flat Tappet
Exh. Duration Advertised (Deg)312
Part FitmentSemi Universal
Engine Make/SizeFord 289-302
Int. Duration @ .050 In. (Deg)243
Exhaust Valve Lift0.497 in (12.624 mm)
Vendor Part NumberK31-603-5
Package Qty1
Package TypeEA
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