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Speedmaster rocker arm adjusting nuts are high-quality polylocks designed for full roller rocker arms
and come in machined or polished finishes to suit your application needs
They are made of lightweight aluminum the polished for a shiny finish
ensuring that your injectors never run dry
Ford 289 302 5.0L Cast Steel Crankshaft ST-3.400 M-2.248 RJ-2.123 Ext Speedmaster rocker arm adjusting nutsThese Speedmaster cast crankshafts are perfect for mildly built street engines or just to replace stock crankshafts that have seen better days. These Speedmaster crankshafts are precision ground and micro polished to exacting tolerances.
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