I have 3 sets of pistons, 1 complete set of dished blower pistons for a 540 with about 3 hours of run time, 9 pistons total, 1 set of brc 15 to 1 domes, 4.530 bore, 6.535 rod, 4.250 stroke, gas ported, dyno time only. The last is a set of 7 je nitrous series dome, 14 to 1, 6.385 rod, 4.250 stroke, 4.530 bore, dyno time only, melted 1 down, the rest look great. Asking $300 a complete set, and $200 for the set of 7. As always prices are flexible, Mark (209)-747-2715