Leilani Munter

"Simpson" co-creator Sam Simon is a man of his word ... 'cause after he lost a poker game to "Blackfish" race car driver Leilani Munter -- HE PAID UP ... and TMZ Sports has the proof. As we previously reported, Simon had kicked in $107,500 to sponsor Leilani's car in an upcoming ARCA race at the…

ARCA could go ORCA at the Talladega Superspeedway ... because one of the drivers is trying to raise $115k to get behind the wheel of a "Blackfish" car at a race in May ... TMZ Sports has learned. We spoke to Leilani Munter -- one of the Top 10 female drivers in the world -- who tells us she was so…