Checked Ebay (serch diode)and you can get four 35A 1,000V bridges for $8. 8 to 12 of these would be fine. Don't skip on voltage because you will get some good inductive kicks. Instead og fuses, you can hook a foot of #18 wire to each terminal for load sharing. Provide some support th the wires so they can burn out in the event of a short.