4 RACE oil cooling nozzles for all 1.8T engines with special pressure valve for better piston cooling. Due to the cooling of the bottom of the piston they will lower the combustion temperature. This has the effect, that the knocking point from the engine goes down and because of the lower combustion temperatures the HP will increase as well. Easy installation. For our RACE oil cooling nozzles specially fits for JE Pistons which are characterized in the model with a Q. Check the accessories below! Manufacturer Information about the manufacturer BAR-TEK BAR-TEK Motorsport GmbH Im Rauschen Auel 3, 51491 Overath-Brombach, Germany info@bar-tek.com