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Upgrade your Toyota 1JZ-GTE (Non-VVTi or VVTi) with the GRP Engineering Titanium Exhaust Manifold Stud Kit. Factory steel hardware is prone to rusting, seizing, and breaking in the aluminum head. Our titanium studs are corrosion-resistant, 45% lighter, and designed for extreme heat, ensuring easy removal every time.
| Stud Length Option | Length (Total) | Nut Type | For Wrench Access |
| Short | 45mm | 6-Point Nut | Tight Clearance |
| Full | 55mm | 12-Point Nut | Standard Manifolds / Easy Clearance |
| Half-Half Combo | Half 45mm, Half 55mm | Mixed 6- & 12-Point | Allows for the shorter studs to be used under where clearance is crucial |
Other Information:
The 1JZ-GTE Non VVTi has 12 studs that it uses to mount the manifold.
The VVTi version only uses 10 studs.
For optimal fitment and secure installation, please clean the threads using an M10x1.25 Bottoming Tap before installing the studs. A suitable tap can be supplied via the dropdown option.