for sale brand new set of wesco 12:1 pistons with rings 82mm bore perfect for stock sleeves had them for a couple month and wanted bigger so i went with 13:2.1 pistons and now need to sell the first set off askin 350 0r best offer may trade for some different part ( tracksion bars 'type r seats'gsr trans 'or something in that class email me at flatty311@aol.com for questions thank you ps pick up prefered will ship for the right price

 

are these b-series ? or K-series?

 

do they make 82 mm k series j/k there b series