Complex sentence: Blackie Gejeian, along with George Barris, Richard Peters, then built the Ala Kart, a roadster that won more than 200 trophies and became America's most beautiful roadster twice in 1958 and again in 1959.
Split into simpler sentences: Blackie Gejeian, along with George Barris, Richard Peters, then built the Ala Kart. The Ala Kart won more than 200 trophies and became America's most beautiful roadster twice in 1958 and again in 1959.