Speedmaster Cast Aluminum Cylinder Head Big Block Ford 429/460 w/Hydraulic Flat Tappet Cam
746-PCE281.2075
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Big Block Ford - Assembled
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
Specifications:
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.