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Bare Stock Dual Port Cylinder Head, for 14mm 1/2❠Plug, 85.5mm Bore Stock Dual Port Cylinder Head, for 12mm 3/4❠Plug, 85.5mm Bore
  • Bare head with 35.5mm Intake, 32mm Exhaust seats and bronze valve guides installed
  • Rocker, exhaust and intake studs included
  • Plug Reach: 14mm x 1/2"
  • 85.5mm Bore
  • 53cc Chamber
  • Alt P/N: 042-101-355C
  • Comes with 35.3mm Intake, and 32mm Exhaust seats and Bronze Valve Guides installed
  • Rocker, Exhaust, Intake Studs included
  • Plug Reach: 12mm x 3/4"
  • Bore: 85.5mm