ProAm Drifting, Top Drift Top Drift ProAM – 2018 Round 4 Gallery August 1, 2018 Justin Miller Leave a comment Photos by Justin Miller Formula Drift ProAm Drifting Series – Top Drift Round 4 2018. California’s best drifters show up to do battle in hopes of acquiring a Formula Drift Pro 2 license for the 2019 season. Share this:TweetShare on Tumblr