Complex sentence: For 1958, Chevrolet models were redesigned longer, lower, and heavier than their 1957 predecessors, and the first ever production Chevrolet big block V8, the, was now an option.
Split into simpler sentences: For 1958, Chevrolet models were redesigned longer, lower, and heavier than their 1957 predecessors. The first ever production Chevrolet big block V8, the, was now an option.