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The Missing Link Between Your OS Giken Clutch and a Smooth Pedal Feel
OS Giken push-type clutch kits rely on a properly matched release sleeve assembly to deliver the modulation and control they are known for. The OS Giken OSGNS112-CVR release sleeve assembly set is engineered specifically for VQ35HR and VQ37HR equipped 350Z and 370Z platforms, using a radius-tapered bearing face that reduces pedal effort while improving clutch engagement precision.
Key Features
- The OSGNS112-CVR is purpose built for OS Giken push-type clutch kits
- Radius-tapered bearing face improves modulation and control
- Reduces pedal effort required for full clutch engagement and disengagement
- Designed for use with OEM clutch fork geometry
- Precision manufactured to OS Giken tolerances
Fitment
| Year Range | Make | Model |
|---|---|---|
| 2007-2009 | Nissan | 350Z |
| 2009-2020 | Nissan | 370Z |
Specifications
| Detail | Value |
|---|---|
| Brand | OS Giken |
| MPN | OSGNS112-CVR |
| Application | Clutch release sleeve assembly |
| Compatible Engines | VQ35HR, VQ37HR |
| Clutch Type | Push-type |
| UPC | Contact us for UPC verification |
What's Included
- OS Giken release sleeve assembly
- Required seals and hardware
About OS Giken
OS Giken is a Japanese manufacturer specializing in high performance clutch and differential systems for motorsport and street applications. Their release sleeve assemblies are engineered as a matched component to work seamlessly with OS Giken push-type clutch kits.
Related Parts on Our Site
- Browse our full OS Giken clutch and drivetrain lineup
- Check out our Nissan 350Z and 370Z performance parts
FAQ
What is the OSGNS112-CVR?The OSGNS112-CVR is an OS Giken release sleeve assembly set designed for VQ35HR and VQ37HR equipped Nissan 350Z and 370Z models running an OS Giken push-type clutch.
Do I need this part if I already have an OS Giken clutch installed?If your OS Giken clutch is a push-type design, this release sleeve assembly is required for proper operation and is often not included with standalone clutch kits.
Will this fit a 2008 350Z?Yes, the OSGNS112-CVR fits 2007-2009 350Z models equipped with the VQ35HR engine.
Does this work with a 2015 370Z?Yes, it fits 2009-2020 370Z models with the VQ35HR or VQ37HR engine.
What does this part do for pedal feel?The radius-tapered bearing face reduces the effort required to fully engage and disengage the clutch, resulting in a lighter, more controlled pedal.
Can this be used with a non-OS Giken clutch?This release sleeve assembly is designed specifically for OS Giken push-type clutch kits and OEM clutch fork geometry.
Is this a wear item that needs periodic replacement?Like any release bearing component, it should be inspected during clutch service and replaced if worn or damaged.
Does this require professional installation?Installation is typically performed alongside clutch service and is recommended to be completed by an experienced technician or shop.
Install Instructions
- Remove the transmission per the vehicle's factory service procedure
- Remove the factory or existing release bearing assembly from the clutch fork
- Install the OS Giken release sleeve assembly onto the OEM clutch fork
- Verify proper seating and freedom of movement on the input shaft
- Reinstall the transmission and clutch components per factory torque specifications
- Bleed the clutch hydraulic system if applicable and verify pedal feel before returning to service
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