• Fits 429 and 460 ci engines (except BOSS 429)
  • Valve angles and locations designed to reduce cylinder wall shrouding and improve flow
  • Combustion chambers to accommodate the more centrally located valves
  • Production 429 Cobra Jet intake and exhaust manifolds bolt on
  • Production Ford 429/460 valve cover bolt pattern 
  • M-6582-C460 Ford Performance Valve Covers recommended 
  • 2.200" intake valve, 1.76" exhaust valve
  • Flows approximately 330 CFM intake and 225 CFM exhaust
  • 72cc combustion chambers
  • 290cc intake runner, 148cc exhaust runner
  • Uses rocker arm part numbers M-6564-A460  
  • Uses Motorcraft AGSP series spark plugs
  • NOTE: If replacing Ford Performance or production 429 Cobra Jet heads, new intake valve notches are required
  • NOTE: Uses Felpro® exhaust gasket part number 1420 and Felpro® intake gasket part number 1231
Part Type
Engine: Cylinder Heads
Instruction Sheet
Warranty Availability
Not Available
Package Dimensions
8.75" x 8" x 23"
Package Weight
28 lb(s)
UPC Code
Country of Origin
United States