The product is a set of Bosch fuel injectors specifically designed for GM Stock LS3 & LS7 engines. This set includes 8 fuel injectors with a maximum flow rate of 42lb at 4 Bar. The manufacturer part numbers for these injectors are 0280158051 and 1257641. These high-quality fuel injectors are essential for ensuring optimal fuel delivery and performance in your vehicle, especially for those with LS3 & LS7 engines. This listing is for one set of 8, Thanks