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