Utilize the input text as a context reference, choose the right relationship between Ilmor and Engine from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

MasterCraft is pleased to announce GM Marine Engine Technology as the presenting sponsor with additional sponsorship involvement from Ilmor Marine, Action Watersports, Ronix, Radar, CWB, Connelly, West Michigan Sports Commission and Spectrum Health, all together supporting these world-class athletes as they perform at the highest level.

Answer: industry