+3 Fuel Rail Injector Lines for 2017+ 6.6l L5P L5D Duramax KB-L5P-L5D-FIL $175.95 In stock Quantity: 1 Add to Bag Product Details Cross Reference:: 12670460, 12670468, 12670469, 12670471 Full Set of Fuel Rail Injector Lines Cylinders 1,2,3,4,5,6,7 & 8 Pressure tested to 25000 psi When replacing injectors the best practice is to replace the high pressure injector lines at the same time. Fits 2017+ 6.6l L5P & L5D Duramax Diesel Engines. Save this product for later Favorite