Personal
- Parents are Kim and Thad
- Wife's name is Macayla
- Name pronunciation: Key-fuhr Long-sun
- Majoring in history
Before BYU
- Rated a four-star prospect by Scout
- Considered No. 46 overall prospect in California by ESPN.com
- Rated the No. 34 offensive tackle in the nation and the No. 4 offensive tackle in California by Scout
- Named All-East Bay third-team offense by the Contra Costa Times
- Coached by Nick Tisa
- Recruited by Utah, UCLA, Arizona State, Colorado, Florida State, Missouri, Nevada, Ohio State, San Jose State, Utah State and Washington State