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Up for sale is my OS GIKEN OS88 sequential gearbox option 2.

It is brand new and still on the pallet and comes with crossmember to suit as well as direct shift kit.

Comes as a combo with NPC twin plate clutch custom built with billet flywheel.

The OS Giken OS-88 gearbox is a sequential 6-speed gearbox designed to suit the BNR32 and BCNR33 GT-R.

It can also be used in the BNR34 but will require an R33 transfer case and front prop shaft.

It bolts up to the Nissan transfer case and has a bellhousing to suit any RB engine.

It also comes complete with shifter, digital shift indicator and pull-up reverse lock-out sleeve.

OS Giken designed this sequential gearbox to handle 1500hp, while retaining quiet helical-cut gears.

To do this the gear axis has been increased to 88mm, while most internal parts are forged.

The dog-engagement of the gears allows extremely fast shifting, but does require regular inspection to ensure trouble-free operation.

This gearbox comes with the following gear ratios:

1st 2.609

2nd 1.934

3rd 1.521

4th 1.210

5th 1.000

6th 0.852

Please contact us if you would like to choose one of the following "option" ratio sets ($900 extra):

Option 1: 2.609, 1.934, 1.521, 1.210, 1.000, 0.785

Option 2: 2.890, 1.981, 1.468, 1.174, 1.000, 0.757

Option 3: 2.516, 1.865, 1.468, 1.174, 1.000, 0.822

$20 500 for everything

post-84887-13973031436497_thumb.jpg

  • 2 weeks later...

yeah.....missed it on my phone. Yes, confusing with the unnecessary cut and pasting from the OS website.

Hmmmm....very tempting.

  • 11 months later...

This thread is a whole year old so probably sold by now.

But rated at 1500HP, i forget what torque they are rated to but i an putting one behind my 3.0 which has a heap of torque which is what it was built for

Try Import Monster or Otomoto depending on where you are located

  • 3 weeks later...

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