Pricing on the 455 Power Forged Ross pistons - set of 8 - aircraft grade pins, 10:1 compression ratio. 5/64 5/64 3/16 ring grooves - $559 pre-sell price. Call me at 1-800-792-9984 toll free. Ask for Don at ext. 113. WE are ERW, Inc., also known as Maddog Racing, and have been in business for 28 years. We are members of the AERA (Automotive Engine Rebuilders Assn for over 20 years. We also stock a full engine parts whse. of gaskets, bearings, oil pumps, cams, etc., all premium U.S. brands, i.e. Fel Pro, Clevite, Melling, Cloyes, etc.