Dee ihe na-aga n'ihu maka paragraf a - Ọtụtụ ụgbọ ala na-agba ọsọ n'oge gara aga na-eji igwe anọ anọ, ma ọ bụ Peugeot engine nke meriri 1913 Indianapolis 500
bụ a ukwuu influential engine. Ọ bụ Ernest Henry mere ya, nke a nwere oghere camshafts abụọ (DOHC) nwere valvụ anọ kwa cylinder, nhazi nke ga-aghọ ọkọlọtọ ruo taa maka ịgba ọsọ inline-engine anọ.