Polydyn in Texas will be handling the order for the pistons. Call Marci Eston at 281-894-6382 to order your pistons. Tell her you are part of the group buy for the 89mm 300ZX pistons. You want to call them asap. They are putting in batch order to Wiseco. You have can choose if you want the coatings or not whether top or side. It will be the same price. The jobber price for custom pistons is $609. Normal custom price is $730.