The Eagle Pro Street rotating assembly for Ford 351C is built for naturally aspirated racing and includes a forged 4.000" 4340 crank, 6.000" 4340 I-beam rods, 7/16" ARP 8740 bolts and forged 4032 Mahle -20cc inverted dome 4.030" pistons. Plasma-moly file-fit rings and King XP rod/main bearings are specified to complete the rotating hardware for that configuration.
Eagle Ford 351C 4.000in Crank 6.000in I-Beam Rods -20cc 4.030in Pistons Rotating Assembly