The 116 pistons,are well worth it... Hell the car I know own: Previous owner: 6500-7000 rpm,with 125 -150 hits of spray.... Dingle ball honed block,stock oil pan... The pistons,lived through three scorched cranks@6500-6800 on top end (N20 assisted...) Personal experiences seen,& been in on: 116's if you plan to add more serious h.p.... Jmo.....