ATK Engines Remanufactured Cylinder Head for 1970-1976 Chevy/GMC Truck, Car, & Van with 454ci/7.4L V8
059-2C43
Product Q&A
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Gasoline V8
ATK Core Return Process
JEGS and ATK appreciate your business and want to ensure that your core return is as smooth as possible.
Please CLICK HERE for ATK Core Return Process
Notes:
- VIN E, L, S, V, W, X, Y, Z
- Head Cast #: 049, 292, 781
- Complete iron head with valves and springs
- Passenger car and light trucks only
Specifications:
Combustion chamber size valve size oval port
do these heads have 7/16 rocker studs?
Will these heads work on a 1976 454 crusader marine engine? Thanksgivings
Will these heads work on a 1990 mark iv 454 marine engine? If not, why? What would need to be changed? Thank you
Do these heads have stainless steel valves? If not, what?
What castings are they compared to? Like a 781 or 049?
Will this head fit a 1977 C10 454
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.