MFR Small Block Ford 227cc CNC Ported Heads

MRF Small Block Ford 227cc Aluminum Cylinder Heads


MFR Small Block Ford fully CNC ported aluminum heads  are now available in a 227cc intake runner with 2.02/1.60 stainless steel valves, 64cc combustion chamber, Comp Cams / Erson hydraulic roller valve springs, steel retainers, 7° machined locks, 7/16 studs, 5/16 guide plates that are completely assembled and ready to install.  These are Speedmaster.



  • Fully CNC Machined 227cc Aluminum Light Weight Heads
  • Fully CNC Machined Combustion Chambers to 64cc
  • AwesomeEngines® Rolled Radius 45° 2.020/1.600 Valve Job
  • Fully CNC Machined Intake, Exhaust and Combustion Chambers
  • Bronze Alloy Fully Machined Valve Guides
  • Utilizes Existing SBF Intake Manifolds
  • Uses Standard SBF Header Pattern
  • Uses Standard SBF Rocker Arms
  • All Stock Hardware Bolts Directly to These Heads
  • Accessory Bolt Holes In Stock Location
  • 2.020″/1.600″ Stainless Steel Valves
  • Valves and Seats are Lapped to Insure Guide to Seat Concentrically is Perfect
  • Comp Cams 1.437 Flat Tappet or Hydraulic Roller 600″ Lift Valve Springs
  • Comp Cams 10° Tool Steel Light Weight Retainers
  • Comp Cams 10° Super Valve Locks
  • U.S. PC Valve Stem Seals Installed (we never leave these off)
  • Comp Cams or Erson Hardened Spring Seat Cups or Washers
  • Comp Cams 3/8 or 7/16″ Studs and 5/16 Guide Plates
  • Hot Washed Blown Dry, Lubed, Final Spring Pressure Set for Application
  • Professionally Assembled and Ready to Install

Available Upgrades

Manley 2..020 1.600 Severe Duty Intake and Exhaust Valves
+ $ 295.00
Enconel Exhaust Valves
+ $ 295.00
Comp Cams, Manley or Pac Solid Roller .700″ Lift Valve Springs, Titanium Retainer Package
+ $ 395.00
Jomar Stud Girdle Kit
+ $ 195.00
T&D 1.6 Ratio Pro Series Shaft Rocker System
+ $1295.00
Jesel 1.6 Ratio Pro Series Shaft Rocker System
+ $1495.00
Fel Pro MLS Head Gaskets (up to 4.180 bore size and .041″ thickness, other sizes available)
+ $ 185.00
Manley Specific Fit Head Bolt Kit
+ $ 85.00
ARP Specific Fit Head Stud Kit with 12 Point Fasteners and Washers
+ $ 175.00

All Completed Heads Come with Specific Build Sheet, all Part numbers, Spring Rates and Installed Height Settings

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