 A newly required Center High Mounted Stop Lamp (CHMSL) was installed on the Camaro.1986 was the only year to see this attached to the outside hatchback glass on base model Sport Coupes, Z28s and IROC-Zs except for 1987 base models that did not have a spoiler.This was the final year for the L69 5.0 305 HO 4-bbl option, of which 63 were built for racing in Canada's Player's series and 11 for public sale, making a total of 74.