well there no parts numbers i can give you .there is blower size and ever one has there own kit number .your will have to comeup with what size your going to use like a 250 or a 671 that about as big has you could go on a small block and boost you would not need the 671 to make good power there is smaller blowers go on line look up THE BLOWER SHOP i just had them rebuild a 14 71