Mason Massey delivered a breakthrough performance Saturday night, earning his first career victory in the ARCA Menards Series West (AMSW) Oil Workers 150 at Kevin Harvick's Kern Raceway.

Mason Massey joins Bill McAnally Racing to drive the No. 19 Chevrolet in the 2026 ARCA West season, backed by NAPA, Mongoose Power Solutions and BRUNT Workwear.