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OS Giken OS-88 Six Speed Sequential Gearbox Option Ratio 3 for Nissan Skyline

The OS Giken OS-88 is a high-performance 6-speed sequential gearbox designed specifically for the Nissan Skyline GT-R models BNR32, BCNR33, and with modifications for BNR34. Engineered to handle up to 1500 horsepower, this gearbox features a unique 88 mm gear axis distance that allows for larger, stronger gears within a compact casing optimized for RB26 engines.

This option ratio 3 variant offers tailored gear ratios to suit specific racing and street performance needs, providing precise and rapid shifts with its dog engagement mechanism. The gearbox uses helical gears for quieter operation and is built with forged materials for durability under extreme conditions.

  • Compatible with for Nissan Skyline BNR32, BCNR33, and BNR34 (with R33 transfer case and prop shaft)
  • Helical gear dog-engagement design for fast, accurate shifts
  • Forged internal components for strength and reliability
  • Capable of handling up to 1500 horsepower
  • Includes shifter, digital shift indicator, and reverse lock-out sleeve
  • Requires clutch with 26-spline GM input shaft compatibility
  • Recommended regular maintenance due to dog engagement mechanism

This product has not yet been assigned to any vehicle. We are working to ensure that this changes as soon as possible. Please contact us if you have any questions.

Starting in the early 1960's, Masaharu Okazaki set out on a mission to build high-performance Japanese race engines to compete with the championship-winning European offerings of the time. Armed only with a pure passion for motorsports and an innate ability to absorb information, he basically took things apart in his garage, figured out how they work, and designed improvements to increase performance. A self-educated man, he originally began working on motorcycles and eventually moved on to parts development for 4-wheel automobiles. Mr. Okazaki founded his company, OS Giken, in the early 1970's with strength, durability, and the pursuit of high performance in mind; these goals for parts development remain true today and OS Giken has established itself in the upper-echelon for designing and manufacturing high quality, high performance, and supremely durable parts. Officially founded in 1973, the company headquarters and factory are located in Okayama, Japan. All OS Giken parts are 100% manufactured and assembled in Japan, under very strict quality-control guidelines.
Contact
OS Giken
464 Okimoto
702-8001 Naka Ward
Japan

https://osgikenusa.com/
Responsible person
Streetstylez Ltd. & Co. KG
Heinrich-Lorenz-Str. 2-4
09120 Chemnitz
Germany

info@streetstylez.eu
www.streetstylez.eu
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