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The Eagle Pro Street rotating assembly for Pontiac 400 engines is a complete forged bottom end tuned for naturally aspirated racing use. It includes a 4.250" forged 4340 crank, 6.800" 4340 I-beam rods, 7/16" ARP 8740 bolts, forged 4032 Mahle -6cc flat-top 4.155" pistons, plasma-moly file-fit rings and King XP rod and main bearings.
Eagle Pontiac 400 4.250in Crank 6.800in I-Beam Rods -6cc Flat Top 4.155in Pistons Rotating Assembly
