Originally Posted by Bens lover

No I'm sorry Matt i don't know,but in any case you would be better off doing the Helicoil on all 19 bolts.I know it looks like allot to do but when you buy a Heicoil kit it probably comes with about 15 to 20 inserts.So its all up to you but if it was me....I would do them all.Not difficult at all. And will probably take you about 2 hours to do.
Good luck
Big Dan