These plates can be installed in 4 different ways, and only one is correct.
The 8 cylinder side plate A90363 and gasket A90364 is secured with 26 SH405 round head slotted screws and copper washers 11S1. If car is equipped with startix there will be two mounting studs, also with 2 more copper washers 11S1. CAUTION: Note one hole is staggered. Ensure side plate and gasket are correctly secured so startix fits into proper position.
The 6 cylinder side plate A90427 and gasket A90428 is secured with 19 SH405 round head slotted screws and copper washers 11S1. If car is equipped with startix there will be two mounting studs also with 2 more copper washers 11S1. CAUTION: Note that one hole is staggered. Ensure side plate and gasket are correctly secured so startix fits into proper position.