Willis Performance Enterprises
  • Home
  • Products
    • Cylinder Heads and Rockers
    • Intake Manifolds
    • Cams, VCT Travel Limiters
    • Pistons, Rods, Dampers, Crankshaft Dampers
    • Superchargers
    • Fuel Systems
    • Control Systems
    • Fasteners
    • Oil Pans and Components
    • Engine Services
  • Projects
    • 2020 Ford 7.3L Dyno Results - Stage 1
    • Cam Bolt Failure
    • Dyno Results – Stage 3 Ultra Street
  • Videos and Photos
  • Contact
  • Performance Packages

cylinder heads
All Prices subject to change without notice, please call for best Pricing


Picture
Ford 7.3L Stage 1
Heads are CNC’ed Ports, Combustion Chamber Clean up, retain stock seats/guides, and stock valves.  700 HP+ capable Naturally Aspirated. $1850/Set with exchange, including PAC / Manton valve springs. - NEW ORDERS ON HOLD - EMAIL WITH QUESTIONS.

Picture
Ford 7.3L Stage 2
CNC ports and chambers, intended for Peak Power over 750 HP and over 7000 RPM,  Uses copper beryllium seats and premium Bronze guides can be ordered for 2.200 Intake/1.700 Exhaust valves or 2.220/1.700 Intake/Exhaust valves.  Retains Stock Rocker Arm Mounting:
Bare Heads.$ 2995/set (With Exchange of stock heads).  
Loaded with Manley HD SS Valves, PAC Springs, BTR Retainers/Keepers: $4200 (With Exchange of Stock Heads).  NEW ORDERS ON HOLD EMAIL WITH QUESTIONS.



Picture
Ford 7.3L Stage 3
Cylinder heads are purchased outright without exchange CNC ports and chambers (Intake Max Flow 395 CFM at .900 lift / Exhaust 260 CFM at .700 lift), Designed for engines above 850 HP and engine speeds above 8000 RPM for use with mechanical roller camshafts.  Uses premium seats and guides set up for 2.250 Intake/1.700.  Machined for shaft mounted Steel or Aluminum Rocker arm bars.

NEW ORDERS ON HOLD EMAIL WITH QUESTIONS.


Bare Heads: $3295 (with exchange of stock heads).

Loaded with Ti Valves, 3 coil springs, Ti Retainers: $ Call
Jesel Rocker Arms – Steel: $ 3200 with stands (sportsman steel) - $5200 Pro steel
Jesel Rocker Arms – Aluminum: $ 2200 with stands


  • Home
  • Products
    • Cylinder Heads and Rockers
    • Intake Manifolds
    • Cams, VCT Travel Limiters
    • Pistons, Rods, Dampers, Crankshaft Dampers
    • Superchargers
    • Fuel Systems
    • Control Systems
    • Fasteners
    • Oil Pans and Components
    • Engine Services
  • Projects
    • 2020 Ford 7.3L Dyno Results - Stage 1
    • Cam Bolt Failure
    • Dyno Results – Stage 3 Ultra Street
  • Videos and Photos
  • Contact
  • Performance Packages