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The Eagle Pro Street rotating assembly for Pontiac 400 (4.250 in crank) is built for naturally aspirated racing use and comes as a complete forged rotating kit. It combines a 4.250 in forged 4340 crank with 6.800 in 4340 I-beam rods and forged 4032 MAHLE 22cc inverted-dome 4.155 in pistons. The kit also includes 7/16 in ARP 8740 bolts, plasma-moly file-fit rings and King XP rod and main bearings.
Eagle Pontiac 400 4.250in Crank 6.800in I-Beam Rods -22cc 4.155in Pistons Rotating Assembly
