Set of 10 Arias 12.5:1 Buick 455 .38 over pistons, They are old, but brand new, TA used to sell the back in the day. No wrist pins. The weigh 565 grams. The rings lands are 1/16 top and second and a 3/16 oil scraper. $600.00 Would be willing to trade for high performance parts for my 455. Thanks Basil NEW PRICE $500.00!!!!!! THANKS