10 fixings per trim – Evenly spaced along each straight section. 

Not on the curved parts (corners) 

Numbers 1 & 10 are slide on, all the others are pop on type. 

The holes are drilled 1/8”

Download a printable PDF of this fitting instruction here
14A9773.pdf

see 14A9773 details

Importation rules regarding vehicles are very specific: Only those over 25 years in age may be brought in to the USA without compilance to Federal Motor Vehicle Safety Standards (FMVSS).