Gen II Small Block Chevrolet V8 Engines 1992 – 1997 350 cubic inch 5.7L 4.000″ bore x 3.48″ stroke LT1 specs 1994 – 1996 265 cubic inch 4.3L 3.736″ bore x 3.00″ stroke L99 specs 1996 – 1997 350 cubic inch 5.7L LT4 4.000″ bore x 3.48″ stroke LT4 specs