Willis Performance Enterprises
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    • 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
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cylinder heads
All Prices subject to change without notice, please call for best Pricing


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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. $1800/Set with exchange, including PAC / Manton valve springs.

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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.$ 2795/set (With Exchange of stock heads).  



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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.

Bare Heads: 
$2995 (with exchange of stock heads).
Shaft Mounted Rockers Bars: $1295
Rocker Arms – Steel: $3895
Rocker Arms – Aluminum: $1995
Victory Titanium Intake and Exhaust valves: Call.


  • 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