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Ducati 2 valves | JPrecision
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Unmatched Performance & Durability since 1983

JPrecision specializes in high performance machining of engines components. We let your local qualified mechanics to do the final assembly. Contact your local dealer for more details.

It only takes one pass on a dyne or a quick ride on an open road to fully appreciate the exceptional performance offered by JPrecision heads. Cylinder heads modified and upgraded by JPrecision are simply the most powerful and reliable that money can buy.

Find Dealer_EN

Unmatched Performance & Durability since 1983

JPrecision specializes in high performance machining of engines components. We let your local qualified mechanics to do the final assembly. Contact your local dealer for more details.

It only takes one pass on a dyne or a quick ride on an open road to fully appreciate the exceptional performance offered by JPrecision heads. Cylinder heads modified and upgraded by JPrecision are simply the most powerful and reliable that money can buy.

Find Dealer_EN

Adrenaline and Satisfaction Guaranteed!

IMG_0411

STAGE IV

Ducati Pantah 350 / 500 / 600 / 650 conversion to 750 F1 style

The optimization for those heads includes:

  • Valve seat locations are machined deeper to accept the new oversize valve seats.
  • Original valve seats are replaced by high nickel bronze seats for the exhaust and high chrome alloy seats for the intake.
  • Combustion chambers are redesigned to a bath tub style and matched with the seats.
  • Spark plug hole is relocated farther from the valve seats and converted to 12mm.
  • Intake and exhaust ports are tig welded and reshaped for more efficiency.
  • Intake and exhaust ports are CNC ported for optimum air flow and velocity.
  • Installation of new AV&V™ manganese bronze valve guides.
  • Multi angle HP seat job is done on a Newen CNC machine.
  • AV&V™ Extreme Duty High Flow valves and AV&V™ high temp. resistant valve seals.
  • Intake manifolds are ported and matched with the intake ports.
  • The heads are washed in an ultrasonic bath and are ready for reassembly.
Ducati Head- Stage IV

STAGE IV

Ducati 750 / 800 / 860 / 900

The optimization for those heads includes:

  • Original valve seats are replaced by high nickel bronze seats for the exhaust and high chrome alloy seats for the intake.
  • Intake port is tig welded and reshaped for more efficiency.
  • Intake and exhaust ports are CNC ported for optimum air flow and velocity.
  • Installation of new AV&V™ manganese bronze valve guides.
  • Multi angle HP seat job is done on a Newen CNC machine.
  • AV&V™ Extreme Duty High Flow valves and AV&V™ high temp. resistant valve seals.
  • Intake manifolds are ported and matched with the intake ports.
  • The heads are washed in an ultrasonic bath and are ready for reassembly.
Ducati Head- Stage IV

STAGE IV

Ducati 696 / 796 / 1000 / 1100 / 1200

The optimization for those heads includes:

  • Original intake valve seats are replaced by high chrome alloy valve seats.
  • Intake port is tig welded and reshaped for more efficiency.
  • Intake and exhaust ports are CNC ported for optimum air flow and velocity.
  • Installation of new AV&V™ manganese bronze valve guides.
  • Multi angle HP seat job is done on a Newen CNC machine.
  • AV&V™ Extreme Duty High Flow valves and AV&V™ high temp. resistant valve seals.
  • Intake manifolds are ported and matched with the intake ports.
  • The heads are washed in an ultrasonic bath and are ready for reassembly.
IMG_0418

STAGE IV

Ducati EVO 1100

The optimization for those heads includes:

  • Intake port is tig welded and reshaped for more efficiency.
  • Intake and exhaust ports are CNC ported for optimum air flow and velocity.
  • Installation of new AV&V™ manganese bronze valve guides.
  • Multi angle HP seat job is done on a Newen CNC machine.
  • AV&V™ Extreme Duty High Flow valves and AV&V™ high temp. resistant valve seals.
  • Intake manifolds are ported to 40MM bore oversize and matched with the intake ports. O-Ring is installed.
  • The heads are washed in an ultrasonic bath and are ready for reassembly.
  • Gasket face & squish angle deck machining are offered in option.

HEAD WORK OPTIONS

CYLINDER HEAD REBUILD

We clean and bring back your old Ducati heads to OEM specs. This package includes new valve seats, head milling and Ultrasonic bath cleaning.

CYLINDER HEAD CONVERSION

We can take your early Ducati Pantah cylinder heads and convert them to later specification (smaller spark plug, revised combustion chamber and larger valves).

JPrecision offers the full range of machining services. From casting repairs to
combustion chamber renovation we have the equipment, tooling and expertise.

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