Up for sale are a set of Arias 81.5 mm pistons for any b series motor. the compression is different for each motor. so i have listed them for you. The pistons are used and i have all the keepers and wrist pins.
B16-11.3:1
B18A\B 12.0 w\B16 head 12.7:1 GSR head 13.0:1
B18c1 12.7:1
The part number for the pistions on Arias's web site is 3330402
Just make me an offer thanks!