EXCELLENT QUALITY HYPATEC PISTONS WITH HASTINGS RINGS.  WE USE THESE EXACT PRODUCTS IN OUR ENGINE BUILDS. THESE ARE FOR 1275 ONLY AND 093 OVER WITH CAST COMPRESSION RINGS AND 3 PIECE OIL RINGS. WITH BIGGER BORES LIKE THIS ONE PLEASE CONSULT YOUR MACHINE SHOP ABOUT POSSIBLY NEEDING TO STAGGER THE BORES!