Manley Rotaing Assembly, Bbc 555 4.250 Stroke/4.560/+43Cc - 29555X

Manley Rotaing Assembly, Bbc 555 4.250 Stroke/4.560/+43Cc - 29555X

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4340 Forged steel crankshaft&lt
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4340 Forged steel H-Beam connecting rods with 7/16? ARP 8740 or optional ARP 2000 cap screws&lt
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2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pins&lt
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Horsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws&lt
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Manley Performance was founded by Hank Manley in 1966, his desire for speed and to win led him to build his own racing engines. Since that time Manley has continued to evolve, using the knowledge they have gained since the beginning and building on that to continue to bring the best engine components to the market. The goal at Manley Performance remains laser focused on designing and producing the highest quality internal engine components at extremely competitive prices coupled with excellent customer service.