Description
You have put your time and money into a great bike, so it makes total sense to choose top-tier hardware that easily outlasts the frame itself. We are the very first shop to source this premium titanium upgrade kit, made locally by our trusted metal specialist. While these parts look stunning on naked frames, the real value comes from long-term durability. Titanium metal is significantly lighter than standard steel, inherently tougher, and completely immune to the ugly brown rust that destroys standard factory bolts. This is the ultimate one-time purchase for riders who want to prevent rounded heads and avoid snapped engine bolts during future garage work on local roads.
💎 ENGINE CASING HARDWARE HYOSUNG TITANIUM CAM BOLT SPECIFICATIONS
| Aerospace Grade StrengthBuilt for high-pressure setups where massive strength and low weight are needed. | Absolute Rust DefenseA natural protective metal skin stops rain and road salt from biting into the threads. |
| Zero Seizing WorriesEnsures clean, smooth removal years down the line without snapping off in the alloy. | High-Gloss Bling FinishPolished outer surfaces that add a clean look to your upper rocker area. |
📜 Confirmed Fitment Guide
Engine Cover Casing Group: Thread depth and sizing match the original top valve caps for the models listed below. See the diagram picture for location layout points.
- Hyosung GT / GTR (125, 250, 650): Fits all naked or faired twin models up to 2019.
- Hyosung GV Aquila (125, 250, 650): Fits classic cruiser lines across all traditional builds up to 2019.
- Hyosung Singles (GD250, RT125, RX125): Fits dual-overhead cam single-cylinder models.
- Hyosung MS3 Scooters: Fits 125cc and 250cc engine models.
- Modern EFI Bobbers: This hardware kit will strictly not mount onto newer GV125-S EFi models built from 2018 onwards. Those use an alternative rocker casing layout.
🔧 Install Tips
- Follow Factory Tightness Specs: Titanium metal has unique friction properties when turning. Always use a proper hand torque wrench and lock them down to the exact original settings noted in your repair manual. Never overtighten these into your engine block!
- Use Anti-Seize Paste: Dab an incredibly fine smear of copper grease or anti-seize thread lubricant paste directly onto the bolts before insertion. This stops threads from cold-welding together under intense engine heat.
- Check Placement Locations: Take a look at the product images above to confirm the exact layout spots on your engine cover casing before you unbolt your old factory screws.
![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/GT-Cylinder-Head-Cover-Bolts-Valve-Rocker-Cam-Hyosung.jpg?fit=500%2C500&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/2-Cylinder-Head-Cover-Bolts-Valve-Rocker-Cam-Hyosung.jpg?fit=500%2C500&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/3-Cylinder-Head-Cover-Bolts-Valve-Rocker-Cam-Hyosung.jpg?fit=500%2C500&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/4-Cylinder-Head-Cover-Bolts-Valve-Rocker-Cam-Hyosung.jpg?fit=750%2C750&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Various Hyosung Models (125cc | 250cc | 650cc)](https://i0.wp.com/hyoriders.club/wp-content/uploads/2021/03/hyosung-titanium-valve-cover-bolts-gt125rc.jpg?fit=500%2C500&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/5-Cylinder-Head-Cover-Bolts-Valve-Rocker-Cam-Hyosung.jpg?fit=500%2C500&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/Cylinder-Head-Cover-Bolts-Engine-Valve-Rocker-Cam-Hyosung.jpg?fit=500%2C500&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/Cylinder-Head-Cover-Bolts-Engine-Valve-Rocker-Cam-Hyosung-1.jpg?fit=500%2C500&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/1-Cylinder-Head-Cover-Bolts-Valve-Rocker-Cam-Hyosung.jpg?fit=500%2C500&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/Cylinder-Head-Cover-Bolts-Valve-Rocker-Cam-Hyosung.jpg?fit=500%2C500&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/hyosung-rocker-cover-bolt-diagram.gif?fit=1000%2C1000&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/hyosung-rocker-cover-bolt-diagramGD250R.gif?fit=1000%2C1000&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/hyosung-rocker-cover-bolt-diagramGT650.gif?fit=1000%2C1000&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/hyosung-rocker-cover-bolt-diagramGT650R.gif?fit=1000%2C1000&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/hyosung-rocker-cover-bolt-diagramMS3-125.gif?fit=1000%2C1000&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Hyosung GV250 GV125 GT125 GT125R GT250 GT650 GV650 GD250 MS3](https://i0.wp.com/hyoriders.club/wp-content/uploads/2020/11/hyosung-rocker-cover-bolt-diagramRX125.gif?fit=1000%2C1000&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Various Hyosung Models (125cc | 250cc | 650cc)](https://i0.wp.com/hyoriders.club/wp-content/uploads/2021/03/hyosung-gv125-rocker-cover-bolt.jpg?fit=750%2C750&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Various Hyosung Models (125cc | 250cc | 650cc)](https://i0.wp.com/hyoriders.club/wp-content/uploads/2021/03/hyosung-gv125-rocker-cover-screw.jpg?fit=750%2C750&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Various Hyosung Models (125cc | 250cc | 650cc)](https://i0.wp.com/hyoriders.club/wp-content/uploads/2021/03/hyosung-gv125-valve-cover-bolt.jpg?fit=750%2C750&ssl=1)

![Titanium Cylinder Head Cover Bolts [x4] [Engine Valve Rocker Cam] :: Various Hyosung Models (125cc | 250cc | 650cc)](https://i0.wp.com/hyoriders.club/wp-content/uploads/2021/03/hyosung-gv125-valve-cover-screw.jpg?fit=750%2C749&ssl=1)




![Cylinder Head Cover Rubber Washer [x4] [Engine Valve Rocker Cam] :: Various Hyosung Models (125cc | 250cc | 650cc)](https://i0.wp.com/hyoriders.club/wp-content/uploads/2023/01/rubber-washer-hyosung-cylinder-head.jpg?fit=362%2C362&ssl=1)



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