This item is for a set of (8) re-manufactured (reconditioned) connecting rod for various 2004-2016 GM applications with the 5.3L, 5.7L, 6.0L, or 6.2L LS-series V-8 engine. Fitment is If your Vortec has a bronze bushing in the pin end of the rod and a DOT on the beam, then this is the correct rod. The rod will also have a rod forging number 3847.