Or you call a supplier of quality pre-bent lines and get the exact piece for your car at a very reasonable price , then modify the ends to suit the different path of the return line . As Rusty said stay away from substituting rubber , in the late seventies early eighties Furd ran plastic lines on the Capri Coupes , a gravel road with a swale left my buddy walking home and a large puddle of raw fuel under his Crapi . Some lessons have to be learned hard by some people !