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 with PAC / Manton valve springs. Contact Dave directly for more information. Visnerengine.com. |
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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 or Loaded with Manley HD SS Valves, PAC Springs, BTR Retainers/Keepers: (With Exchange of Stock Heads). Contact Dave directly for more information. Visnerengine.com. |
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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 or Loaded with Ti Valves, 3 coil springs, Ti Retainers Jesel Rocker Arms available in Steel or Aluminum. Contact Dave directly for more information. Visnerengine.com. |