Well I bought a standar crankshaft king motorsport std remeber have H-beam eagle rods enter a page for the pistons to ask about a quote on them. I got 489.99 ship for arias pistons 11.5.1 compression and ask in the bisimoto page for the same piston waiting on the quote for the delivery but the are 459.00.I already bought the block gaurd. I need to wait for the machine shop to tell me in the walls on the block are good or I have to go .20 on them. I just want to now wich piston to you guys will recomend. Remember this is a DD and still hae P/S and A/C live in the best place on Earth Puerto Rico.