ATK Engines 2C43: Remanufactured Cylinder Head for 1970-1976 Chevy/GMC Truck, Car, & Van with 454ci/7.4L V8 - JEGS (2024)

  • ATK Remanufactured Cylinder Heads for GM

059-2C43

ATK Engines 2C43: Remanufactured Cylinder Head for 1970-1976 Chevy/GMC Truck, Car, & Van with 454ci/7.4L V8 - JEGS (2)


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ATK Engines 2C43: Remanufactured Cylinder Head for 1970-1976 Chevy/GMC Truck, Car, & Van with 454ci/7.4L V8 - JEGS (3)

ATK Engines 2C43: Remanufactured Cylinder Head for 1970-1976 Chevy/GMC Truck, Car, & Van with 454ci/7.4L V8 - JEGS (4)

ATK Engines 2C43: Remanufactured Cylinder Head for 1970-1976 Chevy/GMC Truck, Car, & Van with 454ci/7.4L V8 - JEGS (5)

ATK Engines 2C43: Remanufactured Cylinder Head for 1970-1976 Chevy/GMC Truck, Car, & Van with 454ci/7.4L V8 - JEGS (6)

ATK Engines 2C43: Remanufactured Cylinder Head for 1970-1976 Chevy/GMC Truck, Car, & Van with 454ci/7.4L V8 - JEGS (7)

ATK Engines 2C43: Remanufactured Cylinder Head for 1970-1976 Chevy/GMC Truck, Car, & Van with 454ci/7.4L V8 - JEGS (8)

ATK Engines 2C43: Remanufactured Cylinder Head for 1970-1976 Chevy/GMC Truck, Car, & Van with 454ci/7.4L V8 - JEGS (9)

Items You Need

JEGS 28000 - Engine Assembly Lube [4 oz. Bottle]$4.79JEGS 28030 - Blue RTV, Temperature Resistant up to 500 degrees [3 oz. Tube]$6.99JEGS 28011 - Thread Sealant 1/2 oz Tube$5.39

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:

  • VINE, 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:

Part Type

Cylinder Head

Product Line

ATK Remanufactured Cylinder Heads for GM

Package Depth

11.00

Package Height

29.00

Package Width

15.00

Part Category

Replacement Parts

Part Fitment

Direct Fit

Quantity

Sold individually

Shipping Weight

44.00

Vendor Part Number

2C43

Combustion chamber size valve size oval port

Asked by: Hotrod

The ATK 059-2C43 stock replacement open chamber cylinder head uses 2.06 and 1.72 valves.

Answered by: jshook

Date published: 2024-01-30

do these heads have 7/16 rocker studs?

Asked by: Stevo

The ATK 059-2C43 cylinder head uses factory 7/16 studs.

Answered by: jshook

Date published: 2023-08-23

Will these heads work on a 1976 454 crusader marine engine?Thanksgivings 

Asked by: RayHLatham

The 059-2C43 ATK cylinder head could be used on a '76 454 engine.

Answered by: jshook

Date published: 2023-03-21

Will these heads work on a 1990 mark iv 454 marine engine? If not, why? What would need to be changed? Thank you

Asked by: Daniel

The ATK 059-2C43 cylinder head will bolt to a '90 454 engine.

Answered by: jshook

Date published: 2022-12-09

Do these heads have stainless steel valves? If not, what?

Asked by: Daniel

The ATK 059-2C43 cylinder head uses stock stainless steel valves.

Answered by: jshook

Date published: 2022-12-06

Will this head fit a 1977 C10 454

Asked by: Arnold

Items You Need

JEGS 28000 - Engine Assembly Lube [4 oz. Bottle]

$4.79

JEGS 28030 - Blue RTV, Temperature Resistant up to 500 degrees [3 oz. Tube]

$6.99

JEGS 28011 - Thread Sealant 1/2 oz Tube

$5.39

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Some parts are not legal for use in California or other states with similar laws / regulations

ATK Engines 2C43: Remanufactured Cylinder Head for 1970-1976 Chevy/GMC Truck, Car, & Van with 454ci/7.4L V8 - JEGS (13)

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.

ATK Engines 2C43: Remanufactured Cylinder Head for 1970-1976 Chevy/GMC Truck, Car, & Van with 454ci/7.4L V8 - JEGS (2024)
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