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Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
They are made of steel
the LS-series heads are produced using our "Gravity Casting" process
Experience unparalleled performance and power with Speedmasters 6-71 Complete Supercharger Kitengineered for maximum horsepower and durability
These Speedmaster cast crankshafts are perfect for mildly built street engines or just to replace stock crankshafts that have seen better days
Chevy BBC 454 Cast Steel Crankshaft ST-4.250 M-BBC RJ-2.2 RMS-2Pc Bal-Ext They are made of steelThese 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.
