Answer: cyls

AnswerCrossword Clue
CYLSThere are eight in a V-8 (abbr.)
CYLSEngine spec.
CYLSAutomobile parts: Abbr.
CYLSV-8's eight: Abbr.
CYLSEngine specification: Abbr.
CYLSAutos' 4, 6, or 8, for short
CYLSEngine pts.