The product is a 2-piece connecting rod bolt designed for VW, Seat, and Audi vehicles with 1.9 and 2.5 engines. Made by ET ENGINETEAM, this connecting rod screw is a high-quality replacement part with OE/OEM reference numbers 1100668 and 1669817. It is a crucial component for maintaining the engine's performance and ensuring smooth operation. This product is a reliable choice for those looking to replace their existing connecting rod bolt with a durable and compatible option.