
Cast Aluminum Cylinder Head Big Block Ford 429/460 w/Hydraulic Flat Tappet Cam
Special Note: Camshaft and Lifters Not Included
- Designed to use Ford Cobra Jet manifolds and headers
- Due to the diameter of the intake ports, a standard Ford 460 intake manifold gasket cannot be used. Recommended to use Speedmaster 746-PCE349.1009 intake gaskets or Fel-Pro 375-1231 gaskets
- Recommended to use Speedmaster 746-PCE355.1009 or Fel-Pro 375-1420 exhaust gaskets
- Same head gaskets used as OEM Ford Cobra Jet head - 4.500" bore
- Requires use of 14mm thread 5/8" hex, .750" reach spark plugs
Specs:
- Intake Runner: 275cc
- Combustion Chamber Volume: 95cc
- Intake Valve: 2.190"
- Exhaust Valve: 1.710"
- Max Lift: .600"
- Coil Bind: .740"
- Intake Install: 130 lbs @ 1.8
- Exhaust Install: 130 lbs @ 1.8
- Closed Seat Pressure: 110 lbs
- Open Seat Pressure: 300 lbs
- As Cast
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
Ditch Restrivtive, Heavy Cyclinder Heads for Speedmaster Performance Heads
One of the best upgrades for your engine is to replace cast iron heads with a better performing and lighter aluminum head. Speedmaster's line of performance cylinder heads have proven themselves time and time again both on the track and on the dyno. Many variations are offered for popular Small and Big Block engines to bring performance output to the next level. Available in as-cast for mild street applications and in Fully CNC machined for the serious enthusiast.









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