Your trusted source of JDM parts shipped direct from Japan

Your trusted source of JDM parts shipped from Japan

JDM parts shipped direct from Japan

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OS Giken Close Gear Set

The OS Giken close ratio gear sets offer greatly improved strength and gear ratios designed for racing applications.

The OS Giken close ratio gear sets offer greatly improved strength and gear ratios designed for racing applications. The normal synchromesh and helical gear design ensures operation almost as quiet and compliant as standard equipment. This ensures the OS Giken close gear set is as suited to the high performance street and circuit vehicle.

Features

  • Replaces the first 3 or full 5 gears depending on kit
  • RB26DETT model suitable up to 800hp
  • SR20DET model suitable up to 600hp

Notes

OS GIken do not keep them in stock and they take up to 1 year to be made to order, please confirm with us before purchase.

Vehicle Product Gear Ratio Price Order
RX-7 - FC3S
R15M-D - 3 Speed
FC3S 3 Speed
USD $ 1,688.71
USD $ 2,193.12
RX-7 - FC3S
R15M-D - 5 Speed + Input Shaft
FC3S 5 Speed
USD $ 2,070.51
USD $ 2,688.96
RX-7 - FD3S
R15M-D - 3 Speed
FD3S 3 Speed
USD $ 1,688.71
USD $ 2,193.12
RX-7 - FD3S
R15M-D - 5 Speed + Input Shaft
FD3S 5 Speed
USD $ 2,070.51
USD $ 2,688.96
Product Order
RX-7 - FC3S
R15M-D - 3 Speed
FC3S 3 Speed
USD $ 1,688.71
USD $ 2,193.12
RX-7 - FC3S
R15M-D - 5 Speed + Input Shaft
FC3S 5 Speed
USD $ 2,070.51
USD $ 2,688.96
RX-7 - FD3S
R15M-D - 3 Speed
FD3S 3 Speed
USD $ 1,688.71
USD $ 2,193.12
RX-7 - FD3S
R15M-D - 5 Speed + Input Shaft
FD3S 5 Speed
USD $ 2,070.51
USD $ 2,688.96

Vehicle Product Gear Ratio   Price Order
RB26DETT
3 Speed + 5th Gear Set
FS5R30A-5
2.695-1.703-1.236-1.0-0.826
USD $ 2,055.81
USD $ 2,669.89
Optional Parts:
Strengthened Input Shaft
RB26DETT Input Shaft
USD $ 491.93
USD $ 638.87
Optional Parts:
Reinforced MT center plate
RB26DETT MT Center
USD $ 609.40
USD $ 791.43
RB26DETT
3 Speed Set
FS5R30A
2.695-1.703-1.236
USD $ 1,688.71
USD $ 2,193.12
Optional Parts:
Strengthened Input Shaft
RB26DETT Input Shaft
USD $ 491.93
USD $ 638.87
Optional Parts:
Reinforced MT center plate
RB26DETT MT Center
USD $ 609.40
USD $ 791.43
Product   Order
RB26DETT
3 Speed + 5th Gear Set
Gear Ratio: 2.695-1.703-1.236-1.0-0.826
FS5R30A-5
USD $ 2,055.81
USD $ 2,669.89
Optional Parts:
Strengthened Input Shaft
RB26DETT Input Shaft
USD $ 491.93
USD $ 638.87
Optional Parts:
Reinforced MT center plate
RB26DETT MT Center
USD $ 609.40
USD $ 791.43
RB26DETT
3 Speed Set
Gear Ratio: 2.695-1.703-1.236
FS5R30A
USD $ 1,688.71
USD $ 2,193.12
Optional Parts:
Strengthened Input Shaft
RB26DETT Input Shaft
USD $ 491.93
USD $ 638.87
Optional Parts:
Reinforced MT center plate
RB26DETT MT Center
USD $ 609.40
USD $ 791.43

Vehicle Product Gear Ratio Price Order
SR20DET
FR
3 Speed Set
FS5W71C
2.717-1.722-1.232
USD $ 1,233.49
USD $ 1,601.93
Optional Parts:
Strengthened Main Shaft
SR20DET Main Shaft
USD $ 558.01
USD $ 724.68
SR20DET
FR
5 Speed Set with input shaft
FS5W71C-5
2.596-1.765-1.250-1.0-0.833
USD $ 2,070.51
USD $ 2,688.96
Optional Parts:
Strengthened Main Shaft
SR20DET Main Shaft
USD $ 558.01
USD $ 724.68
Product Order
SR20DET
FR
3 Speed Set
Gear Ratio: 2.717-1.722-1.232
FS5W71C
USD $ 1,233.49
USD $ 1,601.93
Optional Parts:
Strengthened Main Shaft
SR20DET Main Shaft
USD $ 558.01
USD $ 724.68
SR20DET
FR
5 Speed Set with input shaft
Gear Ratio: 2.596-1.765-1.250-1.0-0.833
FS5W71C-5
USD $ 2,070.51
USD $ 2,688.96
Optional Parts:
Strengthened Main Shaft
SR20DET Main Shaft
USD $ 558.01
USD $ 724.68
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Since the year 2000, Nengun Performance has supplied over 100,000 parts direct from Fukuoka, Japan to 150 countries worldwide. If you have any questions, our experienced and friendly customer service team is always happy to help, please send us an enquiry.

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