Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededCOMP CAMSPART NUMBER: 249-34-343-4
Comp Cams Magnum Mechanical Flat Tappet Camshafts
$30995
Ships on 09/09/2026
Lowest Price GuaranteeFord 429, 460 c.i. 8 CYL. 1968-1994
- Magnum 306S Mechanical Flat Tappet Camshaft
Lift: .640"/.640"
Duration: 306°/306°
Lobe Separation Angle: 110°
RPM Range: 3000-6800
Bracket Race or limited street use. Must have low gear with 3500+ stall. 10.5:1 compression. Racy idle.
| Operating Range: | 3000-6800 RPM |
| Duration Advertised: | 306° Intake / 306° Exhaust |
| Duration @ .050' Lift: | 260° Intake / 260° Exhaust |
| Valve Lift: | .640' Intake / .640' Exhaust |
| Lobe Separation Angle: | 110° |
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
BrandCOMP CAMS
Package Height2.75
Package Width2.87
Package Length24.5
Weight11.3 PG
Part CategoryPerformance Parts
Exh. Duration @ .050 In. (Deg)260
Cam StyleMechanical flat tappet
Grind NumberFF 306S-10
Exh. Duration Advertised (Deg)306
Engine Make/SizeFord 429-460
Intake Valve Lift With Factory Rocker Arm Ratio (I0.64
Int. Duration @ .050 In. (Deg)260
Basic Operating Rpm Range3,000-6,800
Intake Valve Lash0.022 in (0.559 mm)
Intake Valve Lift0.629 in (15.977 mm)
Computer-Controlled CompatibleNo
Int. Duration Advertised (Deg)306
Lobe Separation (Deg)110
Rpm Range3000-6800
Advertised Duration306 int./306 exh.
Exhaust Valve Lift With Factory Rocker Arm Ratio (0.64
UsageStreet/Strip
Valve Lift With Factory Rocker Arm Ratio0.640 int./0.640 exh.
QuantitySold individually
Exhaust Valve Lash0.022 in (0.559 mm)
Exhaust Valve Lift0.629 in (15.977 mm)
Advertised Intake Duration306
Intake Duration At 050 Inch Lift260
Exhaust Duration At 050 Inch Lift260
Advertised Exhaust Duration306
Lifter TypeMechanical Flat Tappet
Part FitmentSemi Universal
Duration At 050 Inch Lift260 int./260 exh.
Valve Springs RequiredYes
Vendor Part Number34-343-4
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Engine Assembly Lube [4 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28000.jpg)
![Break-In/Engine Oil Supplement [12 oz. Bottle]](https://www.jegs.com/images/mini_200/500/555/555-28060.jpg)
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80521.jpg)
JEGS
Universal Camshaft Installation/Removal Tool Includes 4 camshaft adapters
Part Number : 555-80599
$4779$51.99
You Save$4.20
![Precision Cam Degree Wheel Kit [11 in.]](https://www.jegs.com/images/mini_200/500/555/555-81621.jpg)
![159 Engine Break-In Oil Additive [12-Ounce]](https://www.jegs.com/images/mini_200/200/249/249-159.jpg)
COMP CAMS
10° Super Lock Steel Retainers Valve Spring Diameter: 1.500" to 1.550"
Part Number : 249-741-16
$9095
COMP CAMS
Solid/Mechanical Lifters 1969-Present Small Block Ford 302-351W
Part Number : 249-833-16
$21695
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations
