GM Performance Parts BB-Chevy Cylinder Heads


GM Performance
GM Performance Parts BB-Chevy Cylinder Heads

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GM Performance Parts service replacement cylinder heads are direct replacements on most 1990-and-later GM Big-Block 454-cubic-inch and 502-cubic-inch engines. These brand-new cylinder heads meet GM's stringent quality standards and provide excellent service and durability not found in used cylinder heads. The cylinder heads have rectangular intake ports1, which are larger in volume and designed to enhance high-rpm horsepower. These service replacement heads are ideal for Big-Block street machines that also see drag strip action.




809-12363390
BB-Chevy Oval Port Aluminum Head 2.25" Valves
  • Complete Assembly
  • 290cc Intake
  • 110cc Exhaust
  • 110cc Combustion Chamber
  • Sold individually
    More info on GM Performance 12363390

    Fits Applications
  • $1,111.99
    Ships

    809-12363392
    BB-Chevy Oval Port Aluminum Head 2.19" Valves
  • Complete Assembly
  • 290cc Intake
  • 110cc Exhaust
  • 110cc Combustion Chamber
  • Sold individually
    More info on GM Performance 12363392
  • $1,081.99
    Ships
    02/21/12

    809-12363400
    BB-Chevy Rectangular Port Aluminum Head 2.25" Valves
  • Complete Assembly
  • 300cc Intake
  • 110cc Exhaust
  • 118cc Combustion Chamber
  • Sold individually
    More info on GM Performance 12363400

    Fits Applications
  • $1,101.99
    Ships
    02/21/12