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OS-GIKEN Engine drivetrain Drivetrain rebuild parts - RHDJapan

A famed machine shop since the times when the 510 Bluebird single cam L-head engine was a popular tuning base. Unlike its main racing clutch competition, Ogura Clutch (ORC) which manufactures clutches for a wide array of cars and other applications, OS Giken was established solely for producing tuning parts. Since the early days of the company, OS Giken has been making new innovative parts time and time again. This innovation made them a common subject of talk in the tuning community and their popularity started to grow at the grass roots racing level. With the debut of the ground breaking DOHC 4 Valve TC16-MAII/TC24-B1 L-engine heads in 1975 the company really became unstoppable. Then 25 yeasr later they pushed the limits again with the RB30 OS-E2996 Engine. Innovation from OS Giken came again two years later with the release of the RB26 Sequential Transmission, and the Super Lock LSD came the following year. OS Giken continues to excel at bringing the tuning industry new and innovative products and will definitely continue to deliver high quality products for years to come
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  1. OS Giken Close Gear Overhaul 5th Gear - SR20DET FR Quick view

    OS Giken Close Gear Overhaul 5th Gear - SR20DET FR

    In Stock: Ships the next business day
     

    List Price: ¥57,200

    Sale Price: ¥41,089

    You Save: ¥16,111

  1. OS Giken Close Gear Overhaul 1st Gear - RB26DETT Quick view

    OS Giken Close Gear Overhaul 1st Gear - RB26DETT

     

    List Price: ¥55,000

    Sale Price: ¥39,509

    You Save: ¥15,491

  1. OS Giken Close Gear Overhaul 2nd Gear - RB26DETT Quick view

    OS Giken Close Gear Overhaul 2nd Gear - RB26DETT

    In Stock: Ships the next business day
     

    List Price: ¥55,000

    Sale Price: ¥39,509

    You Save: ¥15,491

  1. OS Giken Close Gear Overhaul 3rd Gear - RB26DETT Quick view

    OS Giken Close Gear Overhaul 3rd Gear - RB26DETT

     

    List Price: ¥40,700

    Sale Price: ¥29,231

    You Save: ¥11,469

  1. OS Giken Close Gear Overhaul 1st Gear - SR20DET FR Quick view

    OS Giken Close Gear Overhaul 1st Gear - SR20DET FR

     

    List Price: ¥34,100

    Sale Price: ¥24,491

    You Save: ¥9,609

  1. OS Giken Close Gear Overhaul 2nd Gear - SR20DET FR Quick view

    OS Giken Close Gear Overhaul 2nd Gear - SR20DET FR

     

    List Price: ¥34,100

    Sale Price: ¥24,491

    You Save: ¥9,609

  1. OS Giken Close Gear Overhaul 3rd Gear - SR20DET FR Quick view

    OS Giken Close Gear Overhaul 3rd Gear - SR20DET FR

     

    List Price: ¥34,100

    Sale Price: ¥24,491

    You Save: ¥9,609

  1. OS Giken Reinforced Input Shaft 24 Tooth Spline - RB26DETT Quick view

    OS Giken Reinforced Input Shaft 24 Tooth Spline - RB26DETT

    Purchase Now for ETA:
     2024-10-26

    List Price: ¥106,700

    Sale Price: ¥76,639

    You Save: ¥30,061

  1. OS Giken 5 Speed Close Gear Countershaft - SR20 Quick view

    OS Giken 5 Speed Close Gear Countershaft - SR20

     

    List Price: ¥162,800

    Sale Price: ¥120,639

    You Save: ¥42,161

  1. OS Giken 3 Speed Close Gear Countershaft - SR20 Quick view

    OS Giken 3 Speed Close Gear Countershaft - SR20

     

    List Price: ¥116,600

    Sale Price: ¥86,401

    You Save: ¥30,199

  1. OS Giken Close Gear Overhaul 5th Gear - RB26DETT Quick view

    OS Giken Close Gear Overhaul 5th Gear - RB26DETT

     

    List Price: ¥121,000

    Sale Price: ¥86,909

    You Save: ¥34,091

  1. OS GIKEN Reinforced Input Shaft SR20DET Quick view

    OS GIKEN Reinforced Input Shaft SR20DET

    Purchase Now for ETA:
     2024-07-31

    List Price: ¥110,000

    Sale Price: ¥79,009

    You Save: ¥30,991

  1. OS Giken Close Gear Countershaft - RB26 Quick view

    OS Giken Close Gear Countershaft - RB26

    In Stock: Ships the next business day
     

    List Price: ¥162,800

    Sale Price: ¥120,639

    You Save: ¥42,161

  1. OS Giken OS-88 Sequential Transmission Overhaul 3rd Gear 1.521 - RB26DETT Quick view

    OS Giken OS-88 Sequential Transmission Overhaul 3rd Gear 1.521 - RB26DETT

     

    List Price: ¥50,600

    Sale Price: ¥46,149

    You Save: ¥4,451

  1. OS Giken OS-88 Sequential Transmission Overhaul 3rd Gear 1.468 - RB26DETT

    OS Giken OS-88 Sequential Transmission Overhaul 3rd Gear 1.468 - RB26DETT

    Discontinued
     
  1. OS Giken Reinforced Input Shaft 26 Tooth Spline - RB26DETT Quick view

    OS Giken Reinforced Input Shaft 26 Tooth Spline - RB26DETT

     

    List Price: ¥106,700

    Sale Price: ¥76,639

    You Save: ¥30,061

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