- ATK Remanufactured Cylinder Heads for GM
059-2C43
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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:
- 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
What castings are they compared to? Like a 781 or 049?
Asked by: Nicky
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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.
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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.
