8 new SRP forged, Pistons, and wrist pins, part number 140680, 0.060, 6 inch rod, 1/16 Top ring, 1/16 2nd ring, 1/16 oil ring. The compression ratio is 13:1 with 64cc heads 14.5 compression ratio with 57cc heads For a 350 ci. They are new in the box now at summit racing for $824. $400.00 or Make a reasonable offer.