Sam Mayer’s No. 8 John 5 “Sinner” Chevy
JR Motorsports driver and NASCAR Xfinity Series rookie Sam Mayer will pilot the No. 8 Big Machine Records/John 5 “Sinner” Chevy on Saturday, Oct. 30 at Martinsville Speedway. The car features artwork from legendary guitarist John 5’s latest album which comes out on Friday, Oct. 29.