Among others, this pack contains the questionably liveried chameleon #142 and #151 with it's essentially black windows, which are quite evil looking.
Chassis 1-20 are here: https://www.racedepartment.com/downloads/mclaren-p1-chassis-1-60-pack-1.26435/
Chassis 21-39 are here: https://www.racedepartment.com/downloads/mclaren-p1-chassis-1-60-pack-2.26437/
Chassis 40-60 are here: https://www.racedepartment.com/downloads/mclaren-p1-chassis-1-60-pack-3.26438/
Chassis 60-80 are here: https://www.racedepartment.com/downloads/mclaren-p1-chassis-60-80.26454/
Chassis 81-99 are here: https://www.racedepartment.com/downloads/mclaren-p1-chassis-81-99.26576/
Chassis 100-119 are here: https://www.racedepartment.com/downloads/mclaren-p1-chassis-100-119.26609/
Chassis 120-139 are here: https://www.racedepartment.com/downloads/mclaren-p1-chassis-120-139.26679/