just got back from kelowna with the other chevelle 71 heavy chevy only 5000 made in this year has an 454 big block chevy hugger orange paint all stock
The Heavy Chevy (RPO YF3) was ONLY available with the base Chevelle sport coupe (13437) and was primarily a dress up option and even it was limited to options available on the standard Chevelle sport coupe; no carpeting, no bucket seats, etc.