TSP 438 or 441 C.I.D. LS7/LSx Rotating AssemblyTexas Speed & Performance rotating assemblies offer the best durability with the best pricing available! We offer both a 4. 10" and 4. 125" stroke crankshaft, which we have listed. All of the piston sets listed will work with either stroke crankshaft; The 4. 10" stroke crankshaft will require a slightly shorter block deck height vs. the 4. 125" in order to achieve a "zero deck" setup. You can choose from a variety of upgrades for the crankshaft,
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