looks to be the ignitor wires going to the computer. cut out the bad part and replace with similar wiring. be sure to enclose it in a sheath to prevent it from reoccurring
if your cooling system has been properly maintained there is no reason to replace your radiator. regular flushing and coolant replacement will keep the system up to spec indefinitely
the lspv has 2 lines into the front of it . the lower comes from the master cylinder, the upper one connects to the right front brake at a tee on the frame