Originally Posted by 130R
'10's & early 11's don't have the holes. If you don't see 3 threaded, unused holes on each tower, you need to make them. You'll also need adapters/spacers as you also won't have the reliefs in the towers for the brace.
I have a 2010 2SS with no both holes. Does anybody know what part numbers are for the this adapters spacers and bolts for this? Any feed back on this 2010 swap with no holes and a stock GM brace please respond. Thanks