HR Series - Full-featured Street Vac. or Mech. Sec. Carbs w/ Choke. Cast body, Metering blocks & Baseplate

SS Series - Full-featured Street Vac. or Mech. Sec. Carbs w/ Choke. Billet Metering blocks & Baseplate

CQ Series - HP Style body, No choke, Street calibration, Cast body, Metering blocks & Baseplate

Q Series - HP Style body, No choke, Street/Strip calibration, Billet Metering blocks & Baseplate

P Series - HP Style body, Circle Track calibration, Special Fuel Bowls & Baseplate, Gasoline or Alcohol

Race Q Series - HP Style body, Drag Race calibration, Special Billet Metering blocks & Baseplate

QFX Series - 4500 Style body, Drag Race calibration, External Linkages

E85 Series - Carburetors designed specifically for E85 fuels