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Align the clutch discs precisely during transmission installation with a forged tool matched to the required input-shaft interface. Match OS Giken part NS201-FB6 by complete vehicle application and every transmission, differential, release, spline, plate, fluid, and companion-part requirement before ordering.
Key Features
- Forged billet alignment tool
- Imitates the specified transmission input-shaft interface
- Reduces clutch-disc sag during transmission installation
- Tooth count and spline must match the exact clutch and gearbox
Fitment
| Years | Make | Model | Application Notes |
|---|---|---|---|
| 1989-2002 | Nissan | Skyline GT-R | Confirm chassis, engine, transmission, differential housing, axle or spline, final drive, release system, and every OS Giken application note |
Searchable fitment is limited to year, make, and model. Chassis, engine, transmission, differential, spline, trim, and release-system requirements remain application notes.
Specifications
| Brand | OS Giken |
|---|---|
| Manufacturer Part Number | NS201-FB6 |
| Product Type | Clutch Alignment Tools |
| Fitment Type | Vehicle Specific |
| Spline or Tooth Count | 26-Spline |
| Condition | New |
What's Included
One new OS Giken product in the exact configuration and package quantity identified by part NS201-FB6. Bearings, seals, fluids, flywheel, clutch, release components, alteration kits, tools, fasteners, and other companion parts are included only when expressly stated.
About OS Giken
OS Giken designs and manufactures performance clutches, limited-slip differentials, drivetrain components, gear oil, and precision service tools in Japan. Exact transmission, differential, spline, and release-system matching is essential.
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Frequently Asked Questions
Will OS Giken NS201-FB6 fit my vehicle?
Match the year, make, and model in the Fitment table, then confirm chassis, engine, transmission, differential housing, axle or spline, final drive, release system, and every OS Giken application note.
Why use the exact OS Giken NS201-FB6 alignment tool?
Its pilot, spline, and tooth-count geometry imitates the specified transmission input shaft and reduces disc sag that can prevent transmission installation or damage clutch plates.
Can OS Giken NS201-FB6 be forced through misaligned clutch discs?
No. Correct the pilot and disc alignment before moving the transmission into place. Never use bellhousing bolts to pull a transmission through a misaligned clutch.
Installation Instructions
Follow the current OS Giken instructions for part NS201-FB6 and the vehicle service manual. Support the vehicle safely, verify every mating interface before assembly, use new seals and specified hardware where required, apply the correct lubricant and torque values, measure all required clearances and adjustments, then complete the prescribed break-in and post-installation inspection.
OS Giken
Shop OS Giken limited-slip differentials, multi-plate clutches, release components, precision alignment tools, differential covers, and OS-250R V2 gear oil by exact manufacturer part number. Confirm every vehicle, chassis, engine, transmission, differential housing, spline, release-system, fluid, and companion-part requirement before ordering.OS Giken Product Families Super Lock clutch-type limited-slip differentials Single, twin, and triple-plate performance clutch systems Release sleeves, CSC components, movement alteration kits, and clutch alignment tools Expanded-capacity differential covers and OS-250R V2 gear oil Choosing the Correct OS Giken ProductMatch the exact manufacturer part number first. Year, make, and model alone do not confirm a drivetrain component because chassis, engine, transmission, differential housing, axle or input spline, final drive, clutch series, and release system can vary within the same model.About OS GikenOS Giken designs and manufactures performanc...
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