Related Clues:
- Half, for openers
- Impressive car engine
- ''Airy'' prefix for sphere
- Prefix with cycle or sphere
- Hot-rod engine, informally
- Muscle car engine, informally
- Prefix for half of Earth
- Prefix related to semi- and demi-
- Prefix with sphere meaning 'half'
- Prefix with sphere meaning "half"
- Airy prefix
- Muscle car engine
- Prefix for 'sphere'
- Sphere front
- Prefix with -sphere