PB 1203 Series Cylinder Heads
  • 475cc Intake Port Volume
  • Unassembled, Bare Head
  • $2,156.19
    Estimated to ship direct from manufacturer on 03/27/24, pending manufacturer availability.
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    PB 1203 Series Cylinder Heads
  • 475cc Intake Port Volume
  • 1.645'' Diameter Valve Springs - 945# Open, 330# Closed Spring Pressure


  • BP PB 1201 Series Cylinder Heads
  • 480cc Intake Port Volume
  • 100% CNC Ported
  • Unassembled, Bare Head
  • $3,081.15
    Estimated to ship direct from manufacturer on 03/27/24, pending manufacturer availability.
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    BP PB 1201 Series Cylinder Heads
  • 480cc Intake Port Volume
  • 1.645'' Diameter Valve Springs - 945# Open, 330# Closed Spring Pressure
  • 100% CNC Ported


  • BP PB 1200 Series Cylinder Heads
  • 483cc Intake Port Volume
  • 100% CNC Ported
  • Unassembled, Bare Head
  • $3,081.15
    Estimated to ship direct from manufacturer on 03/27/24, pending manufacturer availability.
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    BP PB 1200 Series Cylinder Heads
  • 483cc Intake Port Volume
  • 1.645'' Diameter Valve Springs - 945# Open, 330# Closed Spring Pressure
  • 100% CNC Ported


  • BP PB 1202 Series Cylinder Heads
  • 497cc Intake Port Volume
  • 100% CNC Ported
  • Unassembled, Bare Head
  • $3,138.96
    Estimated to ship direct from manufacturer on 03/27/24, pending manufacturer availability.
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    BP PB 1202 Series Cylinder Heads
  • 497cc Intake Port Volume
  • 1.645'' Diameter Valve Springs - 945# Open, 330# Closed Spring Pressure
  • 100% CNC Ported


  • BP PB 1204 Series Cylinder Heads
  • 510cc Intake Port Volume
  • 100% CNC Ported
  • Unassembled, Bare Head
  • $3,138.96
    Estimated to ship direct from manufacturer on 04/24/24, pending manufacturer availability.
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    BP PB 1204 Series Cylinder Heads
  • 510cc Intake Port Volume
  • 1.645'' Diameter Valve Springs - 945# Open, 330# Closed Spring Pressure
  • 100% CNC Ported