Ferrari 458 Italia Technical Documentation Manual page 226

3.6 Replacing the rear firewall and mountings
Fitting the new part
NOTE!
Before fitting the new part, read chapter (1.15
Repair methods) thoroughly.
11. Fasten the firewall to the sill connector cross-
member with 16 structural rivets (Ø 4.8x10.0).
12. Fasten the back of the firewall (engine area) with 10
structural rivets (Ø 4.8x10.0).
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