parsley's nascar debut came in 1958, when he finished 30th in points. and had four top ten finishes he debuted at old dominion speedway in manassas, virginia where he finished 15th. he would struggle in his next three starts but hit his stride late in the year, earning three straight top-tens and four top-tens overall: 6th place at richmond international speedway and at rochester, 8th place at new bradford, and 9th place at reading fairgrounds. parsley's final finish came in 1959, when he competed at reading again where he finished eighth. parsley also competed in a nascar convertible division event at marlboro motor raceway in upper marlboro, maryland, and two usac/arco stock car races at willimas grove speedway in mechanicsville, pennsylvania.