Speedmaster Cast Aluminum Cylinder Head Big Block Chevy 396
746-PCE281.1489
Product Q&A
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Big Block Chevy
- Cylinder Head Style: Bare
- Cylinder Head Material: Aluminum
- Cylinder Head Finish: Natural
- Combustion Chamber Volume (cc): 119 cc
- CNC-Machined Combustion Chamber: No
- Intake Runner Volume (cc): 305 cc
- Exhaust Runner Volume (cc): n/a
- CNC-Machined Intake Runner: No
- CNC-Machined Exhaust Runner: No
- Intake Port Shape: Oval
- Intake Port Location: Standard
- Exhaust Port Shape: Rectangular
- Exhaust Port Location: Raised
- Spark Plug Style: Angle
- Comp. Valve Job: No
- Intake Valves Included: No
- Intake Valve Diameter (in): 2.250 in.
- Exhaust Valves Included: No
- Exhaust Valve Diameter (in): 1.880 in.
- Valve Springs Included: No
- Damper Spring Included: No
- Retainers Included: No
- Locks Included: No
- Valve Stem Seals Included: No
- Rocker Arm Studs Included: No
- Rocker Arms Included: No
- Rocker Arm Nuts Included: No
- Guideplates Included: No
- Valve Cover Mounting Style: Perimeter Bolt
- Accessory Bolt Holes Drilled: Yes
- Intake Valve Angle: 24 deg.
- Exhaust Valve Angle: 15 deg.
- Valve Guides Included: Yes
- Valve Guide Material: Bronze
- Valve Seats Machined: Yes
- Valve Seat Machine Style: 3-angle
- Valve Seat Material: Ductile iron
- Steam Holes Drilled: No
- Oiling Style: Through pushrod
- Machined for O-Ring: No
- Heat Crossover: No
- Sold individually
Notes: Exhaust port raised 0.625 in. from stock
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.
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Specifications:
Do these take a special head bolt
Is this an oval port or rectangle port head
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.