598" Thor rotating assembly consisting on 4.5" stroke Bryant forged crank, 6.8" lg GRP Pro 5300 pro-mod aluminum rods, CP nitrous pins, 10 CP 4.602 bore nitrous pistons(8 used & 2 new) Everything is in very good shape; Crank has been used (2) seasons & has approx. (160) 1/8 miles passes. Rods, pistons, & pins were bought new this season & have approx. (70) 1/8 mile passes. Also have another 10 CP nitrous pistons for Thor Heads & 8 nitrous pins, pistons are for 4.600 bore(8 used & 2 new) very good condition. Would like to sell everything together. $2500.00 for everything. Price does not include shipping charges. For more information please contact Kevin Rowe at 812-969-3119 5:00pm - 10:00pm EST. Thanks!