use the mandrel from blp racing, part number 7021.4.000
it fits sb or bb and is the best you can buy. i am using rons 0 1/2 pump with there bb brackets. they can mount on either side and truly are plug and play. also you will need a fuel shut off if running in nhra and ihra events, mine is a barry grant cable operated .also i am using a barry grant bypass regulator to control pressure at idle and wot and sends fuel back to the tank. hope that help ya