I use a denso #14611 off ebay. It fits an '87 Toyota Camry. My voltmeter is always at 14 and I've never had to charge the battery, love this setup!
Mine's hung off an AR-Engineering motor plate, He also sells the 3-wire pigtail for the denso alternator.

1970 Challenger, all aluminum 528 Hemi, HDK suspension, Tremec 5 speed manual