Comp Cams 'Magnum' Mechanical Flat Tappet Camshafts
InfoVehicle Info Needed
COMP CAMSPART NUMBER: 249-K34-343-4

Comp Cams 'Magnum' Mechanical Flat Tappet Camshafts

$71395
ShippingShips on 09/10/2026
Lowest PriceLowest Price Guarantee

Ford 429, 460 c.i. 8 CYL. 1968-1994
    Magnum 306S Mechanical Flat Tappet Camshaft Complete Kit
    Lift: .640"/.640"
    Duration: 306°/306°
    Lobe Separation Angle: 110°
    RPM Range: 3000-6800

  • Cams Are Very Aggressive
  • Designed For Performance Oriented Vehicles
  • Deliver More Power Than Standard Camshafts
  • 1 Year Limited Warranty

    Ford; 429; 460; BBF; Big Block Ford; 385; Cobra Jet; 429 Cobra Jet; Interceptor; Lima; F100; F150; F250; Super Duty; E150; E250


    Bracket race or limited street use. Must have low gear with 3500+ stall. 10.5:1 compression. Racy 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 Width11.5
Package Length25.0
Weight27.3 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)260
Cam StyleMechanical flat tappet
Grind Number306S
Exh. Duration Advertised (Deg)306
Locks IncludedYes
Engine Make/SizeFord 429-460
Retainers IncludedYes
Intake Valve Lift With Factory Rocker Arm Ratio (I0.64
Int. Duration @ .050 In. (Deg)260
Assembly Lubricant IncludedYes
Basic Operating Rpm Range3,000-6,800
Pushrods IncludedNo
Gaskets IncludedNo
Intake Valve Lash0.022 in (0.559 mm)
Rocker Arms IncludedNo
Intake Valve Lift0.629 in (15.977 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)306
Lobe Separation (Deg)110
Rpm Range3000-6800
Lifter StyleMechanical flat tappet
Advertised Duration306 int./306 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.64
Valve Springs IncludedYes
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.640 int./0.640 exh.
QuantitySold as a kit
Valve Stem Seals IncludedYes
Exhaust Valve Lash0.022 in (0.559 mm)
Exhaust Valve Lift0.629 in (15.977 mm)
Advertised Intake Duration306
Outside Diameter Of Outer Spring1.509 in (38.3 mm)
Intake Duration At 050 Inch Lift260
Exhaust Duration At 050 Inch Lift260
Timing Chain StyleDouble roller
Timing Chain And Gears IncludedYes
Advertised Exhaust Duration306
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift260 int./260 exh.
Valve Springs RequiredNo
Lifters IncludedYes
Vendor Part NumberK34-343-4
Package Qty1
Package TypeEA
No Questions
No Reviews

Items You Need

Break-In/Engine Oil Supplement [12 oz. Bottle]

JEGS

Break-In/Engine Oil Supplement [12 oz. Bottle]

Part Number : 555-28060
$1009$11.99
You Save$1.90
Precision Cam Degree Wheel Kit [11 in.]

JEGS

Precision Cam Degree Wheel Kit [11 in.]

Part Number : 555-81621
$14699$161.99
You Save$15.00
Valvetrain Checking Springs Light tension springs

JEGS

Valvetrain Checking Springs Light tension springs

Part Number : 555-80523
$839$8.99
You Save$0.60
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80518
$919$9.99
You Save$0.80
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters

JEGS

Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters

Part Number : 555-80599
$4779$51.99
You Save$4.20
159 Engine Break-In Oil Additive [12-Ounce]

COMP CAMS

159 Engine Break-In Oil Additive [12-Ounce]

Part Number : 249-159
$2395
Valve Spring Compressor [Stud Mount]

JEGS

Valve Spring Compressor [Stud Mount]

Part Number : 555-80521
$5299$57.19
You Save$4.20
Engine Assembly Lube [4 oz. Bottle]

JEGS

Engine Assembly Lube [4 oz. Bottle]

Part Number : 555-28000
$589$6.99
You Save$1.10
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning
Your Cart

Your shopping cart is empty!