I just got some of these Stage 8 locking header bolts but the instructions suck! Does anyone have these things? And is #8900 the right part number? Thanks. Just need some tips on how these things work.

 

I usually use ARP header bolts with some Blue "Lok-Tite" I have never had one back out like that for well over 1.5 years on my F-150. I used 12pt ones and torqued to 15-20ft-lbs...

I think the Stage-8 comes with like an E-clip right?

Well I'd guess: bolt goes into retainer, retainer against the header. Snap lock thingee will prevent bolt and retainer from moving

 

I have some that I never used because I couldn't figure them out. They were for the headers on my old V8 S10. I don't think I could got in there to put them on right anyway.

I just used regular header bolts and haven't had a problem. Torqued to 15ft-lbs on first pass then heat cycled and retorqued to 18ft-lbs on second pass. Some had worked loose after the heat cycling but, haven't since being retightened that one time.

 

I never had a problem with the bolts on mine .. and they were stock. No loc-tite or anything.

 

I figured them out but I haven't put them on yet. Thanks hitman I didn't realize how simple they are. I don't have any problems with the stock bolts coming loose at all, but I am just worried about them breaking off in the head because a couple guys on here have had that happen. I got these at Nitro Daves for 38 bucks.