Caspers looks like they have 2 stock ones, one with 14 ga wiring. Racetronix has one with a hotwire. I have blue tops. Figuring I can't go wrong with the larger wiring
stock type- http://www.casperselectronics.com/store2/product_info.php?products_id=622
upgraded wiring- http://www.casperselectronics.com/store2/product_info.php?products_id=623
Racetronix- http://www.racetronix.biz/itemdesc.asp?ic=INJ-G77&eq=&Tp=
stock type- http://www.casperselectronics.com/store2/product_info.php?products_id=622
upgraded wiring- http://www.casperselectronics.com/store2/product_info.php?products_id=623
Racetronix- http://www.racetronix.biz/itemdesc.asp?ic=INJ-G77&eq=&Tp=