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Your cart is empty.Stage 8 Locking Header Bolt Kit for Mopar Small Block features a locking header bolt kit for Mopar small block 273 - 360 cu/inches and 5.2/5.9 liter. It includes (12) 5/16-18 X 7/8 inch bolts with double hex head (includes 3/16 inch recessed allen head) and 12 each locking retainers and clips.
Laidback Jack
2025-06-03 16:42:06
I really like these. made the difference in setting up the shorty headers on the 5.2L magnum. very pleased. and they don't backout!!thanks Stage 8, you did a good job on these!
Cj
2025-05-18 16:39:31
Great quality bolts for my dodge 360 5.9
Cameo R.
2025-05-14 12:58:46
No complaints from my fiance so I take that as a good sign
lee
2025-03-16 21:14:48
These are good for locking the header on and they don't come off cuz they have a caller that goes around the bolt I recommend buying these at the header bolts keep coming loose
Customer
2025-03-15 11:38:53
Exactly what I was looking for. Some minor modification to keepers as it states you may have to do in the instruction. Well made and very pleased. I would recommend.
Marco A. Jimenez
2025-02-26 16:36:27
Awesome product solved my issue of always having bolts get loose on my truck
S. Archer
2025-02-02 10:48:21
Solid product. May need to trim the locking tabs depending on how close your primaries are to the bolt holes.
fried pickle
2025-01-21 14:16:26
Worked great but i do believe the length is a little short .I measured quite a few times and it needs another 3/8th's to be right. Not enough thread in the head really to be perfect and it makes me worry a little
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