Northern Auto Parts has some real bargains available when it comes to Buick pistons. Here are some of the deals available. all prices are per set unless stated:-
455 flat tops +030 @ $154.99 TC1848.030
430 dished +060 @ $124.99 P523.060
350 10.20c/r +040 @ $118.00 P525.040
Turbo 3.8 std, +030, +040 @$98 TC2944
GMC truck 231 +030 @ $79.99 TC2888.030
Buick 181 +030 @ $66.66 TC2552.030
-"- -"- +020 @ $64.99 TC2552.020
-"- -"- +020, +030, +060 @ $49.99 TC2225
3.3L 204 std @$48.00 TC2755
(8x) 231/350 std @ $42.00 450NP std
(6x) 231/350 +030 @ $40.00 450NP.030
(6x) 231/350 +060 @ $40.00 450NP.060
181 pistons std @ $40.00 TC2225 std
430 pistons std @ $16.82 each 224-1735 std

All of the above are "BUY IT NOW" prices

This should help at least some of you with projects underway. To find them go to ebay.com then ebay stores then type in Northern Auto Parts.
Best of Luck
Malc