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The Eagle Pro Street rotating assembly for Pontiac 400 (4.250 in crank) is a complete forged rotating kit built for naturally aspirated racing use. It pairs a 4.250 in forged 4340 crank with 6.800 in 4340 I-beam rods and forged 4032 MAHLE -6cc flat-top 4.185 in pistons. Included hardware: 7/16 in ARP 8740 bolts, plasma-moly file-fit rings and King XP rod and main bearings to complete the bottom end.
Eagle Pontiac 400 4.250in Crank 6.800in I-Beam Rods -6cc Flat Top 4.185in Pistons Rotating Assembly
