IN STOCK, M50B30 85mm 10.0:1 Turbo Pistons

New set of Alien Engineering forged turbo pistons.  They are 85mm bore for an M54b30 or S52 crank.  10.0 compression ratio.  These are designed specifically to handle over 1000 whp and come with rings and .225" wall wrist pins.  Full round profile design to handle extreme cylinder pressure with extra thick skirts and crown and thick ring lands.  Valve reliefs sized to work with about a 285 degree cam with full vanos travel.  I have one set in stock.