Header Stud Set
The factory exhaust manifold studs have a shoulder in the center that can interfere with proper header tightening. Our 10mm x 1.25 x 48mm long, heat-treated plated header mounting studs are stronger than stock. Works with a stock manifold or any header.
Kit Includes:
- (8) Studs
- (8) Mechanical locking nuts
NOTE: Torque to 33 Ft. Lbs. The short side of the stud will go into the head.
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- 1975-1980 20R 2.2L Engines
- 1981-1995 22R 2.4L Engines
- 1983-1995 22RE 2.4L Engines
- 1995.5-2004 2RZ 2.4L Engines
- 1995.5-2004 3RZ 2.7L Engines
To open a printable PDF version of this instruction CLICK HERE
Kit Includes:
- (8) 48mm Harden Zinc Coated Stud
- (8) M10 x 1.25 Mechanical Locking Flange Nut
Installation:
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1. Remove original studs from head. If the old studs are difficult to remove use a penetrating lubricant and let soak overnight before attempting to remove.
2. The shorter threaded portion of the stud will be installed into the head. The stud will be installed in the head hand tight.
3. The locking flange nut will be torqued to 33 Ft. Lbs. LC Engineering headers and exhaust gaskets DO NOT Require the use of any sealant. If a silicone sealant will be used, make sure it is oxygen sensor safe.
Double Nut Stud Installation And Removal Technique:
Simply take (1) 10mm x 1.25 nut and thread half way on the one of the studs. Take the another 10mm nut, then thread that onto the same stud and make sure the 2 nuts are tightened against one another. Now take your box wrenches and put one on the first nut, and the other on the second nut tightening them against one another. After they are locked together, take the one wrench and place it on the nut closest to the block, and proceed to free the stud from the block. Reverse for installation.
210 Reviews Hide Reviews Show Reviews
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Even more no stickers
Studs are amazing, the fact that there were no stickers in my giant package hurts my heart.
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Good studs
Installed with no issues. I'd recommend keeping the old nuts until you have the new ones installed. The new ones are lock nuts, so it's much easier to use the double-nut installation method using the old nuts. And of course remember to use antiseize
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John Grant give 5 stars
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I got a gasket and new studs
They fit perfectly in my 87 22r and I am happy to have none rusted together parts on my truck. Thanks again love!
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Nels Reno give 5 stars
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Andrew McDonnell give 5 stars
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Anonymous give 5 stars
Great service
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92 pickup header installation
A must have when adding a header to the 22re. Will be needed when adding header due to the torque specs where the old studs would fail
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Good quality
All I used were the nuts because my studs didn’t want to come out but the nuts were amazing and had tight machining. Studs seemed fine too