Chevrolet:Small-Block Gen III LM7:325 (5.3L);Chevrolet:Small-Block Gen III LS1:346 (5.7L);Chevrolet:Small-Block Gen IV LC9:325 (5.3L);Chevrolet:Small-Block Gen IV LH8:325 (5.3L);Chevrolet:Small-Block Gen IV LMF:325 (5.3L);Chevrolet:Small-Block Gen IV LMG:325 (5.3L);Chevrolet:Small-Block Gen IV LY5:325 (5.3L)