Ford Flathead 1938-48 Cylinder Head

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The Edelbrock #1125 Ford Flatheads feature the original Edelbrock script logo design for Fords and Mercurys, and are cast at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum. The Edelbrock #1125 heads are rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics. The 65cc heads support 8.0:1 compression ratio on blocks with a 3/16" base relief (stock bore and stroke), compression ratio increase is approximately 3/10 of a percent with each 1/8" stroke.

Documents & Installation Notes


Availability Available
Application Application Specific
UPC 00085347011254
Series Flathead
Quantity Set of 2
Availability Note Available to Order
Warranty 12 Months
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes
  • Flathead head copper gaskets for 1938-48 use Victor #3036; or Fel-Pro® #7548; or Edelbrock Head Gasket Set #7394; for 1949-53 use Fel-Pro #1055 and Fel-Pro #1056 or Edelbrock Head Gasket Set #7393.
  • Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.
  • Head stud kit for 1938-48, use #8505;
  • Head stud kit for 1949-53, use #8502.
  • Generator stud kit for 1938-48, use #8506.
CNC Ported No
Combustion Chamber Volume 65 cc
Deck Thickness 0.375 in
Finish Satin
Guide Plates Included No
Material Aluminum