JDM NISSAN SKYLINE R32 GT-R FS5R30A 5-SPEED RWD-CONVERTED TRANSMISSION

Looking for a stronger 5-speed manual gearbox for a custom rear-wheel-drive Nissan Skyline or RB-engine project?

This transmission began as an R32 Nissan Skyline GT-R 5-speed manual gearbox and is currently represented by J-Spec Auto Sports as having been converted from its original AWD configuration for rear-wheel-drive / 2WD use.

The factory R32 GT-R drivetrain uses Nissan’s:

FS5R30A-family 5-speed manual transmission

paired with the:

RB26DETT 2.6L twin-turbo inline-six

and ATTESA E-TS AWD system.

For this modified product, the strongest search identity is:

Nissan Skyline R32 GT-R → RB26DETT → FS5R30A → 5-Speed Manual → Push Type → RWD-Converted

This is not a normal factory R32 GTS-T gearbox.

It is also not a universal bolt-in transmission for every RB20, RB25 or RB26 chassis.

Exact conversion details and vehicle-specific fitment must be verified before ordering.

QUICK DETAILS

• Manufacturer: Nissan
• Original Vehicle: Skyline GT-R R32 / BNR32
• Original Years: 1989–1994
• Original Engine: RB26DETT
• Engine Size: 2.6L
• Aspiration: Twin Turbo
• Transmission Family: FS5R30A
• Factory GT-R Model Reference: 05U10
• Transmission Type: 5-Speed Manual
• Gears: 5
• Clutch Type: Push Type
• Original Drivetrain: AWD / ATTESA E-TS
• Current Configuration: RWD Conversion – verify physical unit
• Item ID: 3127
• Current Product Code: R32 2WD GT-R
• Current SKU: GTR01
• Slave Cylinder: Not Included
• Condition: Used OEM JDM / Modified
• Actual Product Photos: Yes
• Warranty: 30 Days
• Shipping: Nationwide Freight Shipping

VERIFY THIS UNIT BEFORE PUBLISHING

Before using this revised page, physically verify Item 3127.

Confirm:

• The transmission is actually RWD-converted.
• The front/AWD output has been mechanically disabled or removed.
• The conversion method is documented.
• The transfer section is correctly modified.
• The rear output configuration is usable.
• The gearbox is push type.
• The transmission case matches the product photos.
• The slave cylinder is not included.
• The shifter components shown are included.
• The physical transmission is the same Item 3127 shown on this page.

Most importantly, J-Spec currently has another live Item 3127 page identifying what appears to be the same inventory as a factory AWD transmission.

Do not maintain both drivetrain descriptions for the same physical gearbox.

FS5R30A TRANSMISSION FAMILY

The R32 GT-R uses Nissan’s heavy-duty:

FS5R30A

5-speed manual transmission family.

The factory GT-R transmission is different from the lighter factory RWD transmissions found in many non-GT-R R32 models.

For SEO and AI entity recognition, use:

FS5R30A

prominently in:

• Product title
• H1
• Meta description
• Product specifications
• First paragraph
• Image metadata
• FAQ
• Product schema

However, if the physical transmission tag or model identification is not visible on Item 3127, list:

Transmission Family: FS5R30A

rather than pretending a physical tag was verified.

FACTORY GT-R MODEL REFERENCE – 05U10

The R32 GT-R FS5R30A application is associated with Nissan’s:

05U10

factory transmission model reference.

If the actual Item 3127 identification confirms 05U10, add it to the WooCommerce product data.

Until the physical identification has been documented, use:

Factory GT-R Reference: 05U10

rather than presenting it as a photographed serial number.

PUSH-TYPE CLUTCH CONFIGURATION

The live Item 3127 listing identifies the gearbox as:

Push Type

This is an important fitment detail.

Keep:

Push-Type Clutch Configuration

prominent in the description.

Before installation, verify:

• Clutch fork
• Pivot
• Release bearing
• Bearing sleeve/collar
• Pressure plate
• Flywheel
• Slave-cylinder position
• Slave-cylinder pushrod

Do not assume later R33 GT-R pull-type clutch components are identical.

5-SPEED MANUAL

The transmission uses:

5 forward gears

Recommended WooCommerce fields:

Type: Manual

Gears: 5-Speed

More SEO-friendly:

Type: 5-Speed Manual

ORIGINAL RB26DETT APPLICATION

The original transmission application is:

1989–1994 Nissan Skyline GT-R R32 / BNR32

with:

RB26DETT 2.6L Twin-Turbo Inline-6

This relationship is valuable for search:

BNR32 + RB26DETT + FS5R30A

Those three terms should appear naturally throughout the page.

ORIGINAL AWD CONFIGURATION

The factory R32 GT-R transmission is not a conventional RWD gearbox.

Its original application works with Nissan’s:

ATTESA E-TS AWD system

Therefore, calling this unit a factory “2WD GT-R transmission” would be technically misleading.

The correct wording is:

R32 GT-R transmission modified or converted for RWD use

IMPORTANT – THIS IS A MODIFIED TRANSMISSION

Item 3127 should be described clearly as:

Modified from the original AWD configuration for custom RWD use

not:

Factory RWD GT-R transmission

The R32 GT-R was an AWD vehicle.

This distinction should remain clear for:

• Customers
• Installers
• Google
• Bing
• AI systems
• Product-schema accuracy
• Warranty documentation

HOW WAS THE AWD SYSTEM CONVERTED?

The current live page says the AWD output was:

disabled and locked

Before publishing that technical statement, document exactly how this individual gearbox was modified.

Potential AWD-to-RWD conversion methods can differ significantly.

Therefore, photograph and document:

• Transfer section
• Front-drive output
• Modified components
• Rear output
• Any block-off or lockout components
• Internal or external conversion method

Do not claim a specific mechanical conversion process unless J-Spec can verify it on Item 3127.

Recommended public wording until verified:

This transmission is represented as a RWD-converted R32 GT-R gearbox. Review the actual photos and contact J-Spec for details of the conversion configuration before ordering.

R32 GT-R TRANSMISSION VS. R32 GTS-T TRANSMISSION

Do not market this modified GT-R transmission as if it were simply a factory R32 GTS-T gearbox.

The factory R32 GTS/GTS-T RWD drivetrain uses a different transmission configuration.

Therefore:

R32 GT-R FS5R30A-based gearbox ≠ factory R32 GTS-T gearbox

Even after an RWD conversion, differences may remain in:

• Transmission length
• Case
• Shifter position
• Output configuration
• Crossmember
• Mount
• Driveshaft
• Clutch release
• Speed sensing
• Tunnel clearance

RB20DET APPLICATION

This transmission may be useful in a custom RB20DET RWD project, but do not advertise:

Direct bolt-in for RB20DET

Instead use:

Potential custom RB20DET RWD swap application after complete fitment verification

Check:

• Bellhousing
• Flywheel
• Clutch
• Starter location
• Pilot engagement
• Crossmember
• Transmission mount
• Driveshaft
• Shifter position
• Tunnel clearance

RB25DET APPLICATION

Likewise, this transmission may be considered for certain:

custom RB25DET RWD builds

but do not promise a universal direct fit.

An RB25-powered RWD Skyline may originally use a different gearbox and chassis-specific mounting arrangement.

Verify:

• Engine/bellhousing interface
• Clutch
• Flywheel
• Shifter position
• Crossmember
• Driveshaft length
• Driveshaft yoke
• Tunnel clearance
• Speed signal

RB26DETT RWD APPLICATION

A converted GT-R gearbox can be particularly relevant for custom:

RB26DETT RWD builds

because the transmission began as an RB26DETT GT-R unit.

However, even with RB26DETT:

engine compatibility does not mean chassis compatibility

Check the complete installation.

R32 GTS-T CUSTOM SWAP

Potential use:

R32 GTS-T custom RWD transmission upgrade

However, do not say:

bolt-in R32 GTS-T replacement

unless J-Spec has physically installed this exact converted configuration into a GTS-T chassis and documented the required parts.

Fitment may require:

• Custom driveshaft
• Transmission crossmember changes
• Mount changes
• Shifter-opening modification
• Clutch-system changes
• Speedometer/sensor changes
• Tunnel clearance work

LAUREL / CEFIRO / OTHER RB CHASSIS

The current live description names:

• Laurel
• Cefiro
• Custom Nissan chassis

Those vehicles can remain as possible custom swap applications, but not guaranteed fitment applications.

Recommended wording:

Potential for custom RB-powered Skyline, Laurel, Cefiro and other RWD Nissan projects after complete fabrication and fitment verification.

Do not list those models under WooCommerce “Applications” as though they were confirmed factory-fit vehicles.

NOT A UNIVERSAL RWD TRANSMISSION

The transmission should not be sold based solely on:

RB engine + RWD

A correct custom transmission installation depends on:

• Bellhousing
• Input shaft
• Clutch spline
• Clutch release type
• Flywheel
• Pilot engagement
• Starter
• Case dimensions
• Shifter location
• Crossmember
• Transmission mount
• Driveshaft yoke
• Driveshaft length
• Output spline
• Tunnel clearance
• Speed sensor
• Wiring

DRIVESHAFT REQUIREMENTS

A modified GT-R transmission may not use the same driveshaft configuration as a factory RWD Skyline transmission.

Before ordering, verify:

• Output spline
• Yoke
• Transmission length
• Mount position
• Differential position
• Required driveshaft length

A custom driveshaft may be necessary.

Do not promise factory driveshaft compatibility.

SHIFTER POSITION

The shifter location should be measured before purchase.

Compare:

• Bellhousing face to shifter centerline
• Factory shifter opening
• Interior console position
• Transmission mount location

A gearbox may bolt to an RB engine yet place the shifter incorrectly in a different chassis.

TRANSMISSION CROSSMEMBER AND MOUNT

Do not promise original GTS-T, Laurel, Cefiro or swap-chassis crossmember compatibility.

Verify:

• Transmission mount
• Crossmember location
• Bolt spacing
• Chassis mounting points
• Driveline angle

Fabrication may be required.

CLUTCH AND FLYWHEEL VERIFICATION

Because Item 3127 is identified as push type, select clutch components based on the actual transmission and engine combination.

Inspect or verify:

• Flywheel
• Clutch disc
• Pressure plate
• Release bearing
• Bearing collar
• Fork
• Pivot
• Slave cylinder
• Master/slave travel

Incorrect clutch-release geometry can cause:

• Gear grinding
• Incomplete disengagement
• Premature synchronizer wear
• Difficult shifting

SLAVE CYLINDER NOT INCLUDED

The live page specifically states:

Slave Cylinder Is Not Included

Keep this prominently displayed.

Do not include a slave cylinder in:

What’s Included

unless the physical product changes.

WHAT IS INCLUDED?

The sale should include only the components physically shown and confirmed for Item 3127.

Primary component:

R32 GT-R FS5R30A-family 5-speed transmission modified for RWD use

Potential attached components should be described only if shown.

Do not automatically promise:

• Slave cylinder
• Clutch
• Flywheel
• Driveshaft
• Crossmember
• Transmission mount
• Shifter
• Starter
• Differential
• Wiring
• Speed sensor
• Conversion hardware

unless physically confirmed.

ACTUAL PRODUCT PHOTOS

For a rare modified transmission, actual photographs are essential.

Include close-ups showing:

• Complete gearbox
• Bellhousing
• Clutch fork
• Push-type mechanism
• Shifter
• RWD conversion area
• Original transfer section
• Modified front-drive output
• Rear output
• Transmission mount
• Electrical switches
• Case casting
• Identification marks

These images will help both customer conversion decisions and search-engine credibility.

TRANSMISSION SERIAL / PHYSICAL IDENTIFICATION

The current “Serial Number” field says:

Push Type 5MT RWD R32 GTR

That is not actually a serial number.

Do not use a description in the Serial Number field.

Instead:

Serial Number: Photograph / Verify Actual Physical Identifier

Move:

Push Type 5MT RWD R32 GTR

into the product description or configuration field.

RECOMMENDED PRODUCT CODE

After physical verification, use:

FS5R30A R32 GT-R RWD Conversion

or:

FS5R30A / 05U10 RWD Conversion

if 05U10 is confirmed on the actual gearbox.

This is much stronger than:

R32 2WD GT-R

because it combines:

• Actual transmission family
• GT-R identity
• Modification type

FACTORY GEAR RATIOS

For an original R32 GT-R FS5R30A application, the commonly documented ratios are:

1st: 3.214
2nd: 1.925
3rd: 1.302
4th: 1.000
5th: 0.752
Reverse: 3.369

However, these ratios describe the original gearbox specification.

Do not guarantee that Item 3127 retains completely stock internal gearing unless the transmission has been verified internally or through identification.

FINAL DRIVE LANGUAGE

The factory R32 GT-R drivetrain is commonly associated with a:

4.111 final-drive ratio

but that is an AWD drivetrain specification involving the complete vehicle’s differential setup.

For this RWD-converted gearbox, do not simply list:

Final Drive: 4.111

as though the transmission alone provides a final-drive ratio to the rear wheels.

A manual RWD transmission’s road-going final drive depends on the rear differential installed in the destination chassis.

Therefore, for this converted RWD product use:

Rear Final Drive: Determined by customer’s rear differential

This is clearer and technically safer.

RECOMMENDED TRANSMISSION OIL

Use a high-quality manual-transmission lubricant meeting the correct Nissan specification for the FS5R30A application.

A commonly specified baseline for the R32 GT-R FS5R30A is:

GL-4 75W-90 manual transmission gear oil

Do not automatically substitute GL-5 unless the lubricant is explicitly compatible with synchronized manual transmissions requiring GL-4 characteristics.

Verify the exact lubricant specification before service.

DO NOT COMPRESSION TEST A TRANSMISSION

Remove:

“All transmissions are compression tested.”

Manual transmissions are not compression tested.

Compression testing applies to engines.

For this gearbox, advertise only procedures J-Spec actually performs, such as:

• Visual case inspection
• Gear-selection inspection
• Input/output rotation check
• Fluid inspection
• Drain-plug inspection
• External leak inspection
• Functional bench inspection if actually performed

Do not claim operational road testing unless it was documented.

INSPECT FLUID BEFORE INSTALLATION

Before installation:

• Drain old fluid.
• Inspect fluid condition.
• Check magnetic drain plug.
• Look for excessive metal.
• Check for bronze synchronizer debris.
• Look for water contamination.
• Check for burnt odor.

Abnormal debris may indicate internal wear.

INSPECT INPUT AND OUTPUT SHAFTS

Check:

• Input shaft spline
• Input bearing play
• Output spline
• Output bearing play
• RWD conversion output
• Seal surfaces

Any unusual play or damage should be evaluated before installation.

INSPECT SYNCHRONIZER OPERATION

With the gearbox outside the vehicle, shift manually through:

• Reverse
• First
• Second
• Third
• Fourth
• Fifth

Check for:

• Binding
• Incomplete engagement
• Excessive looseness
• Selector problems

This does not replace a loaded road test, but it can identify obvious mechanical problems.

KEEP THE ORIGINAL TRANSMISSION

For an RWD swap, keep the customer’s original gearbox until the conversion has been fully completed and road-tested.

The original transmission may be needed for:

• Shifter measurements
• Crossmember comparison
• Speed-sensor reference
• Mount reference
• Driveshaft measurement
• External hardware

INSTALLATION CHECKLIST

Before installation:

• Confirm intended chassis.
• Confirm RB engine.
• Confirm RWD conversion goal.
• Verify physical FS5R30A-family transmission.
• Verify actual AWD-to-RWD conversion.
• Photograph conversion components.
• Confirm push-type clutch configuration.
• Compare bellhousing.
• Compare input shaft.
• Compare starter.
• Confirm clutch spline.
• Confirm flywheel.
• Confirm pressure plate.
• Confirm release bearing.
• Confirm clutch fork.
• Confirm slave-cylinder requirements.
• Measure transmission length.
• Measure shifter position.
• Confirm transmission mount.
• Confirm crossmember.
• Confirm output spline.
• Measure driveshaft.
• Verify tunnel clearance.
• Verify speed sensor / signal.
• Inspect seals.
• Inspect gearbox fluid.
• Fill with correct GL-4 manual transmission oil.
• Verify all gears before startup.

INITIAL STARTUP

Before starting the engine:

• Confirm correct clutch adjustment.
• Verify hydraulic system.
• Confirm shifter operation.
• Check transmission fluid level.
• Check driveshaft clearance.
• Confirm transmission mount.
• Check exhaust clearance.

With the vehicle stationary:

• Engage Reverse.
• Engage First.
• Engage Second.
• Engage Third.
• Engage Fourth.
• Engage Fifth.

Confirm clean clutch release.

INITIAL ROAD TEST

Start with light throttle.

Monitor:

• Clutch engagement
• First-to-second shift
• Second-to-third shift
• Third-to-fourth shift
• Fourth-to-fifth shift
• Downshifts
• Synchronizer feel
• Gear whine
• Bearing noise
• Gear pop-out
• Shifter vibration
• Driveshaft vibration
• Transmission mount movement
• Fluid leaks

Avoid:

• Hard launches
• Clutch kicks
• Drifting
• Power shifting
• High-RPM launches

until normal gearbox operation is confirmed.

COMMON FS5R30A SYMPTOMS TO CHECK

Potential wear symptoms include:

• Gear grinding
• Hard shifting
• Synchronizer wear
• Gear pop-out
• Bearing noise
• Transmission whine
• Input-shaft play
• Output-shaft play
• Oil leaks
• Clutch-release problems

However, similar symptoms may also come from:

• Clutch drag
• Incorrect release-bearing setup
• Wrong clutch collar
• Incorrect fluid
• Worn mounts
• Driveshaft angle
• Differential problems

Diagnose the complete RWD conversion before blaming the gearbox.

WHY BUY THIS R32 GT-R RWD-CONVERTED TRANSMISSION?

For the right project, Item 3127 offers an uncommon combination:

• Genuine Nissan GT-R-origin transmission
• FS5R30A-family gearbox
• RB26DETT original application
• 5-speed manual
• Push-type clutch configuration
• RWD-converted configuration
• Potential custom RB swap use
• Actual product photographs
• Individual inventory
• Nationwide freight shipping
• 30-day limited warranty

This is best suited to knowledgeable builders, performance shops, and custom RB-powered projects that can verify and adapt the drivetrain correctly.

WHY BUY FROM J-SPEC AUTO SPORTS?

J-Spec Auto Sports has specialized in Japanese engines, transmissions, and drivetrain components for more than 20 years.

Customers benefit from:

• Actual inventory photographs
• Rare JDM drivetrain inventory
• Individual item tracking
• Transmission identification
• Nationwide freight shipping
• Fitment assistance
• Installation options
• Limited warranty coverage

For modified drivetrain components such as Item 3127, detailed physical verification before ordering is especially important.

INDIVIDUAL INVENTORY INFORMATION

Make: Nissan

Original Vehicle: Skyline GT-R R32 / BNR32

Original Years: 1989–1994

Original Engine: RB26DETT

Engine Size: 2.6L Twin Turbo

Transmission Family: FS5R30A

Factory GT-R Reference: 05U10 – verify actual physical identification

Transmission Type: 5-Speed Manual

Gears: 5

Clutch Type: Push Type

Original Drivetrain: AWD

Current Configuration: RWD-Converted – physically verify

Physical Serial: Verify and photograph

Item ID: 3127

Current Product Code: R32 2WD GT-R

Current SKU: GTR01

Slave Cylinder: Not Included

Transmission Oil: GL-4 75W-90 baseline specification; verify exact service requirement

Condition: Used OEM JDM / Modified

Warranty: 30 Days

30-DAY LIMITED WARRANTY

Item 3127 currently carries a:

30-Day Limited Warranty

subject to J-Spec Auto Sports’ current warranty terms.

Because this is a modified RWD-conversion gearbox, clearly define whether J-Spec’s warranty covers:

• Internal gearbox operation only
• RWD-conversion components
• Transfer-case modification
• Output conversion
• Installation-related failures

Do not leave the scope ambiguous.

Keep receipts for:

• Correct transmission oil
• Seals
• Clutch components
• Driveshaft work
• Professional installation

FREQUENTLY ASKED QUESTIONS

What transmission is this?

This is an R32 Nissan Skyline GT-R-origin FS5R30A-family 5-speed manual transmission represented by J-Spec as converted from AWD to RWD.

What engine was it originally used with?

The factory application is the:

RB26DETT 2.6L twin-turbo inline-six

used in the R32 GT-R.

Is this a factory RWD gearbox?

No.

The R32 GT-R is factory AWD.

This unit is represented as having been modified for RWD use.

Is this a 5-speed transmission?

Yes.

It is a 5-speed manual gearbox.

Is it push type?

The live Item 3127 listing identifies it as:

Push Type

Verify the actual clutch-release hardware before ordering.

Is it an FS5R30A?

The original R32 GT-R application uses the FS5R30A family.

Physically verify the transmission identification on Item 3127 before entering FS5R30A as a stamped serial/code field.

What does 05U10 mean?

05U10 is a factory transmission model reference associated with the R32 GT-R FS5R30A application.

Verify whether that identifier appears on this individual transmission.

Will it bolt directly into an R32 GTS-T?

Do not assume direct bolt-in fitment.

A custom driveshaft, crossmember, mount, shifter changes or other modifications may be required.

Will it fit an RB20DET?

It may be useful in a custom RB20DET RWD build after complete bellhousing, clutch, mount, shifter and driveshaft verification.

Will it fit an RB25DET?

Potentially in a custom RWD build, but do not assume direct bolt-in fitment.

Will it fit an RB26DETT?

The gearbox originated from an RB26DETT application, but RWD chassis installation still requires complete drivetrain verification.

Will it fit a Nissan Laurel?

Potential custom application only.

Do not treat Laurel fitment as guaranteed.

Will it fit a Nissan Cefiro?

Potential custom application only after complete drivetrain and fabrication verification.

Is the slave cylinder included?

No.

The live listing specifically says:

Slave Cylinder Not Included

Does it include a driveshaft?

Do not assume a driveshaft is included unless specifically pictured and listed.

Does it need a custom driveshaft?

Possibly.

Measure the gearbox, output spline and destination chassis before installation.

What final drive does it use?

In a RWD conversion, the effective rear final-drive ratio is determined primarily by the rear differential installed in the destination chassis.

Do not simply apply the factory GT-R AWD 4.111 figure to every RWD swap.

What transmission oil should I use?

Use the correct Nissan-compatible GL-4 manual transmission gear oil, commonly 75W-90 for this gearbox family, after verifying the exact service specification.

Is this transmission compression tested?

No.

Manual transmissions are not compression tested.

Is it rebuilt?

Unless specifically stated otherwise, it is a used OEM JDM Nissan transmission that has been modified for RWD use.

Does it have a warranty?

The live page currently lists a:

30-day limited warranty

ORDER ITEM 3127 – R32 GT-R RWD-CONVERTED 5-SPEED TRANSMISSION

Build your custom RB-powered RWD Nissan with this rare R32 Nissan Skyline GT-R-origin 5-speed manual transmission represented as converted for rear-wheel-drive use.

Original Vehicle: Nissan Skyline GT-R R32 / BNR32
Original Years: 1989–1994
Original Engine: RB26DETT 2.6L Twin Turbo
Transmission Family: FS5R30A
Transmission: 5-Speed Manual
Clutch Type: Push Type
Original Drivetrain: AWD
Current Configuration: RWD Conversion – verify actual unit
Item ID: 3127
SKU: GTR01
Slave Cylinder: Not Included
Warranty: 30 Days

This transmission is best suited for experienced builders and custom RB-powered RWD projects.

Before ordering, verify the physical RWD conversion, transmission identification, bellhousing, clutch setup, shifter location, crossmember, transmission mount, driveshaft requirements, output spline, tunnel clearance, and electrical components.

For fitment assistance, nationwide freight shipping, or installation information, contact J-Spec Auto Sports before ordering.