Ardun high-compression cylinder heads

Target entity: Ardun high-compression cylinder heads
Context triple: [Zora Arkus-Duntov, designed, Ardun high-compression cylinder heads]

• A. BMC A-series engine
  The BMC A-series engine is a small-displacement inline-four petrol engine widely used in British cars from the 1950s through the 1990s, most famously powering the original Mini.
• B. Tillotson
  Tillotson is an English surname most notably associated with John Tillotson, a 17th-century Archbishop of Canterbury.
• C. Vikas engine
  The Vikas engine is an Indian liquid-fueled rocket engine developed by ISRO and widely used to power the core and strap-on stages of its PSLV and GSLV launch vehicles.
• D. Continental R975 radial engine
  The Continental R975 radial engine is a nine-cylinder air-cooled gasoline aircraft engine widely adapted during World War II to power U.S. armored vehicles, most notably the M4 Sherman medium tank.
• E. Milwaukee-Eight engine
  The Milwaukee-Eight engine is Harley-Davidson’s modern V-twin powerplant, introduced to deliver improved performance, smoother operation, and better cooling while retaining the brand’s signature character.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Ardun high-compression cylinder heads
Target entity description: Ardun high-compression cylinder heads are performance overhead-valve cylinder head conversions originally developed for Ford flathead V8 engines to significantly increase power, efficiency, and reliability.

• A. BMC A-series engine
  The BMC A-series engine is a small-displacement inline-four petrol engine widely used in British cars from the 1950s through the 1990s, most famously powering the original Mini.
• B. Tillotson
  Tillotson is an English surname most notably associated with John Tillotson, a 17th-century Archbishop of Canterbury.
• C. Vikas engine
  The Vikas engine is an Indian liquid-fueled rocket engine developed by ISRO and widely used to power the core and strap-on stages of its PSLV and GSLV launch vehicles.
• D. Continental R975 radial engine
  The Continental R975 radial engine is a nine-cylinder air-cooled gasoline aircraft engine widely adapted during World War II to power U.S. armored vehicles, most notably the M4 Sherman medium tank.
• E. Milwaukee-Eight engine
  The Milwaukee-Eight engine is Harley-Davidson’s modern V-twin powerplant, introduced to deliver improved performance, smoother operation, and better cooling while retaining the brand’s signature character.
• F. None of above. chosen