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The Eagle Pro Street rotating assembly for Ford 460 Boss 9 heads is built for naturally aspirated racing and pairs a 4.500" forged 4340 crank with 6.700" 4340 I-beam rods, 7/16" ARP 8740 bolts and forged 4032 MAHLE 4.390" pistons with an 8cc dome specified for Boss 9 heads. The matched kit includes plasma-moly file-fit rings and King XP bearings for a race-ready rotating group sized to the head choice.
Eagle Ford 460 Boss 9 Heads 4.500in Crank 6.700in I-Beam Rods 4.390in Pistons Rotating Assembly
