I got mine from Haulmark. Around $100, 5 years ago. It is bolted to the trailer floor. I bolted a 3" channel to the slide rail, then bolted the generator to the top of the channel. I use a Mopar bumper jack, for extra support, while at the track. It runs from 6 to 10 hours a day, at the track.

548 cu. in., Bill Mitchell Aluminum Block, CRT 727 auto trans, Alston Chassis. 8.981et at 149.46 mph. 1.204et - 60 foot, So Far....