Nissan Skyline R34 GT-R with Nismo Omori Factory S1 conversion!

• 01/1999 Nissan Skyline R34 GT-R Nismo S1

• Nismo Omori Factory S1 Conversion

• 45,394 kms Genuine (Approx. 28k miles)

• Japanese Auction Grade 4.5

• No Accident history

• Nissan factory KR4 Sonic Silver Original paint

• Storage & Worldwide Shipping Service Available

• U.S. import Legal

• HJA Stock code: HJA691

• Full HD pics Available on our website

[The Unicorn Has Landed: An Ultra-Rare R34 GT-R S1 Built by Nismo Omori Factory]

There are cars that impress, and then there are cars that make history. The Nissan Skyline GT-R R34 is already legendary, but when it’s been through the hands of the NISMO Omori Factory — Japan’s holy grail of GT-R performance — it becomes something else entirely. It becomes a collector’s dream.

HJA is delighted to introduce one of the most coveted GT-Rs on the planet: an R34 GT-R NISMO S1, meticulously upgraded with the official S1 package by none other than the Omori Factory itself. These factory-built Nismo cars are extraordinarily rare, and with lead times now stretching to 3–4 years, they’ve become nearly unobtainable. This example? It’s here. It’s real. And it’s ready.

[Factory Perfection, Preserved]

What sets this GT-R apart isn’t just the badge or the build — it’s the condition. This car wears its original factory paint, confirmed by paint meter, and boasts low, verified mileage. Rated Grade 4.5 at auction, it stands tall as one of the finest examples available today — clean history, accident-free, and pristinely preserved.

Inside and out, the car tells the story of careful ownership. Everything feels as it should — precise, deliberate, and unmistakably authentic.

Along with the car comes a rich history file, including:

• Official NISMO Omori Factory certificates

• Original Nissan books/manuals

• Spare key/fob It’s the kind of provenance that elevates a car from rare to museum-worthy.

The S1 Package: Precision for the Road

Developed with everyday drivability and sporty performance in mind, the S1 package brings a refined edge to the already capable GT-R. Unlike more aggressive R-tune or Z-tune variants, the S1 aims to enhance balance and response without sacrificing comfort. It’s the perfect blend for those who appreciate nuance over noise.

Under the Hood: The S-Tuned RB26DETT

At the heart lies the RB26DETT “S1 (S-Tune Concept Engine Spec 1)”, re-engineered by Nismo to deliver 400 PS at 6,800 rpm and 45 kg·m of torque at 5,600 rpm. With S1-specific camshafts, metal head gasket, turbo flow upgrades, and a custom ECU, it’s been fine-tuned for flexibility and response — whether you’re cruising city streets or carving through mountain roads.

Powertrain & Drivability

Mated to the S1 engine is NISMO’s Copper Mix sports clutch, offering both high torque tolerance and effortless street manners. It’s that rare clutch that feels as at home in traffic as it does on a backroad blast — a testament to NISMO’s commitment to real-world performance.

Chassis, Brakes & Wheels

Handling is sharpened by the S-Tune suspension system, tuned for confident road holding without harshness. Paired with S-Tune brake pads and stainless lines, stopping power is immediate and noise-free.

Rounding out the package are forged LMGT4 wheels, specifically designed for NISMO-built cars. Lightweight, rigid, and motorsport-proven, they reduce unsprang mass while maintaining the GT-R’s iconic silhouette.

Interior: Subtle Enhancements, Authentic Feel

Inside, the cabin remains largely original, save for a striking 320 km/h NISMO combination meter — a subtle nod to the car’s elevated pedigree. Functional additions enhance the driving experience without altering the GT-R’s classic feel. It’s still very much a Skyline, but with just the right amount of refinement.

An Appreciating Icon

With full NISMO documentation, impeccable condition, and a build completed by the Omori Factory itself, this R34 GT-R isn’t just rare — it’s blue-chip collectible. As values for R34s continue to surge and Nismo factory-built examples become scarcer by the year, this car represents both a driver’s delight and a wise investment.

Whether you’re a passionate enthusiast, seasoned collector, or someone chasing that once-in-a-lifetime opportunity — this is your moment. Few cars can claim this level of provenance, purity, and performance.

[More Info & Spec]

[Nismo S1 Engine]

Piston & ring (N1 specification)

Main bearing (genuine product)

Connecting rod bearing (N1 specification)

Oil pump (N1 specification)

Water pump (genuine product)

Crank pulley & bolt (genuine product)

Reinforced timing belt (Material reinforced product NISMO)

Oil pan baffle plate

Heat shield tape (50mm NISMO)

Engine gasket kit (complete set overhaul genuine product)

Turbo inlet water hose, rubber plug, head cover washer (genuine product)

Port Alignment & Manifold Stepped Correction Processing (IN & EXH;)

Piston & connecting rod weight adjustment, crank & pulley integrated balance

Engine bench check.

Lubrication / cooling system - COMPETITION OIL type 2193E (5W40) (for one vehicle), radiator cap, reservoir tank, etc.

Intake system / idle system - AAC valve, air regulator, etc.

Fuel system - Fuel pressure regulator, fuel strainer, etc.

Ignition system and electrical system - EGI sub-harness, coil sub-harness, oil pressure sensor, etc.

Hose - Heater return pipe, water hose (one set), air hose (one set), oil return hose (one set), heater hose (one set), boost hose (one set), fuel hose (one set), radiator hose (one set), etc.

Belts - Belt tensioner, idler pulley, reinforced timing belt, compressor belt, power steering belt, fan & alternator belt, etc.

Mount related parts, etc. - Engine mount, mission mount, T / M member bush, oil seal.

[Other Nismo parts installed]

• Nismo clear indicator set

• NISMO Fender cover set

• Nismo side skirts and rear spats

• NISMO S-tune G attack Suspension

• Nismo 18” LMGT4 alloy wheels

• NISMO 320KM/H Meter

• Nismo rear LED tail lights

• Trust/Greddy Oil Cooler

[Meter exchange info]

• Meter replaced at 9,659km in October 2002

• Current NISMO Meter 35,735km (with dealer Log Book, 45,394km in total)