Complex sentence: The big-bore, dual-carbureted 3.0S was introduced in 1971, being a more powerful and expensive model than the 2800; a fuel-injected version was also made.
Split into simpler sentences: The big-bore, dual-carbureted 3.0S was introduced in 1971. It was more powerful and expensive than the 2800; a fuel-injected version was also made.