Nismo: Factory Motorsport Division Become Tuning Legend

Nismo (Nissan Motorsports International) was founded in 1984 as Nissan's in-house motorsport division. It rapidly expanded beyond racing to include a full tuning arm: the Omori Factory, where the most famous GT-R variants in history were hand-built.

The Omori Factory

Located in Tsurumi, Yokohama, the Omori Factory became a pilgrimage site for GT-R owners in the 1990s and 2000s. Any R32, R33, or R34 could be brought to Omori for a S-Tune, R-Tune, or Z-Tune upgrade program:

• S-Tune — street-focused refinement: suspension, brakes, intake, light engine work, power typically 330-350 PS.
• R-Tune — track-focused: aero package, big brakes, heavier engine work, targeted 400 PS.
• Z-Tune — no-compromise hand-built: full-rebuild RB26 (the "Z1" variant making 500 PS), aero, suspension, brakes, and custom ECU.

The 400R

In 1996, Nismo announced the 400R R33 GT-R — a complete hand-built car with a 2.8L stroker RB-X GT2 making 400 PS, special aero, and Brembo brakes. Only 44 were built. In 2024, a 400R sold at auction for $4.85 million, the highest price ever paid for an R33 GT-R.

The Z-Tune R34

In 2005, for the GT-R's 35th anniversary, Nismo built the Z-Tune R34 GT-R. Only 19 were completed. Each Z-Tune used a hand-rebuilt 2.8L RB28 making 500 PS, Brembo brakes, unique aero, and Z-Tune-exclusive badging. Original list price was 17.7 million yen ($150,000). Today they trade for $4-5 million.

The Parts Catalog

Beyond the hand-built cars, Nismo produced a legendary parts catalog:

• Engine components (oil pans, catch cans, gaskets, heavier connecting rods)
• Suspension (Nismo S-Tune and R-Tune coilovers, sway bars, bushings)
• Brakes (with Brembo collaboration)
• Aero (Z-Tune fender flares, R-Tune lips and wings)
• Exhausts (NE-1 and R1 titanium exhausts are iconic)
• Wheels (LM GT4 and LM GT1 are the wheels on nearly every hard-tuned GT-R)

The New Nismo (R35 Era)

After the R35 GT-R launched in 2007, Nismo expanded to a full factory sub-brand. The R35 GT-R Nismo (2013) makes 600 hp from the VR38DETT, with bespoke suspension and chassis tuning. Modern Nismo still operates out of Omori but with a much bigger footprint.

Why Nismo Matters

Nismo is the only JDM tuner on this list that was also the factory. Every Nismo part had OEM-spec engineering behind it. When you bought a Nismo R-Tune R34, you got a factory-backed build with factory warranty implications. No independent tuner could offer that. The Z-Tune R34 remains the Platonic ideal of what a factory tuner program can produce.