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exhaust manifold bolts


RANGERICK

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Be patient and use a torque wrench when called for.
I'm replacing the heads on my 87 2.9L V6 and I need new exhaust manifold bolts; complete set left/right. Anyone know where to get these buggers?
 


gaz

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@RANGERICK ,

I always use Stage8 locking header bolts, I have read that several individuals replace the bolts with studs and nuts. I have a great fastener store near me that I would consider buying 12 grade 8's with washers or a set of stainless steel bolts, either way I would expect it to be less than $20 unless you decide on something like the Stage8's which are about $70 a set.
 

lil_Blue_Ford

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Bolts are metric M8 I believe. Not sure there’s a kit or anything. You’re going to have 6 short and 6 long if I remember right, but I don’t know the exact measurements. Stainless would be nice, but you may have a hard time finding what you need without changing to headers
 

RANGERICK

Member
Joined
Apr 30, 2021
Messages
54
Reaction score
15
Points
8
Location
Vista Ca.
Vehicle Year
1987 & 1989 B2
Make / Model
Ford Bronco II
Engine Type
2.9 V6
Transmission
Manual
2WD / 4WD
4WD
Total Lift
stock
Tire Size
235/75/15
My credo
Be patient and use a torque wrench when called for.
@RANGERICK ,

I always use Stage8 locking header bolts, I have read that several individuals replace the bolts with studs and nuts. I have a great fastener store near me that I would consider buying 12 grade 8's with washers or a set of stainless steel bolts, either way I would expect it to be less than $20 unless you decide on something like the Stage8's which are about $70 a set.
Gaz, I found a source but I need to confirm sizes before I buy them. This is what I got from Bronco Corral M8 1.25x75 (8), 1.25x50 (3), 1.25x 30 (1) Can anyone here confirm those sizes?
 

gaz

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U.S. Military - Veteran
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Sep 21, 2007
Messages
1,383
Reaction score
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113
Location
Wa, Bremerton 98310
Vehicle Year
1987
Make / Model
Ford
Engine Size
87Ranger Endrigo 2.9l, 87BII Endrigo 4.0l
2WD / 4WD
4WD
Total Lift
Ranger 5" (2" suspension), BII 4" suspension
Total Drop
Ranger 5sp, BII A4LD
Tire Size
Ranger 33"/4:10LS, BII 29"/3:73LS
My credo
Deengineer until it is how Blue Oval should have sold it!!
The bolt set is a set of 12 fasteners which are all the same size;
it sounds like you are considering the Stage8 set, I recommend looking up the part number from SummitRacing.com for the engine you are using.

Stage8 part# for Ford 2.9l and OHV 4.0l is 6919.
 

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