The is the upgraded oil feed line kit for the Neon SRT-4 and PT Cruiser TD04 turbos, including the Big Wheel Stocker turbo.  This feed line is highly recommended to be changed when you put a new or rebuilt turbo or CHRA on your car.  The line comes with new feed fitting that threads into the turbo, and fitting that threads into the block.  The stock line that is currently on your car is guaranteed to have carbon coked deposits inside and those will restrict the oil supply of your new turbo and will cause damage.  This is cheap insurance.  -4 Stainless Steel teflon coated oil feed line