View Wish List

You have 0 item(s) in your Shopping Cart.

 

Login


Categories

   Best Motoring
   Mazda Performance
   Mitsubishi Performance
   Acura Performance
   Subaru Factory
   Subaru Performance

Manufacturers

   ACL
   ACT
   Acura OEM
   ARP
   Blitz
   Blouch Turbo
   BMI
   Brembo
   Clutch Masters
   Cobb
   Comptech
   Cosworth
   CP Pistons
   Crawford
   Cusco
   DBA
   Deatschwerks Injectors
   Defi
   Denso
   Eagle Rods
   ENEOS
   Enkei Race Wheels
   Epic Engineering
   Exedy
   Flatirons Tuning
   Fluidampr
   Gates
   Go Fast Bits
   Goodridge
   GrimmSpeed
   GT-Spec
   H&R
   Hawk
   Hella
   Honda JDM
   Hyundai OEM
   Ingalls
   K&N
   Kartboy
   Koyo Radiators
   KYB
   Mahle Pistons
   Manley
   Mishimoto
   Modena
   Motul
   NGK
   OuterWears
   Perrin
   Power Slot
   Prodrive
   Racing Brake
   Redline
   Samco
   Skunk2
   Spoon Sports
   SPT
   Subaru JDM
   Subaru OEM
   TEIN
   Tomioka Racing
   Turbosmart
   TurboXS
   Whiteline
   Wiseco Pistons
JDM-Close Ratio 5th and 6th plus Synchro Up-Grade for 6MT
JDM-Close Ratio 5th and 6th plus Synchro Up-Grade for 6MT

E-mail this product to a friend E-mail this product to a friend

previous | up | next 

This kit includes a new 5th and 6th gear for the 6-Speed transmission that came in the USDM STI, and new Carbon Synchros (baulk rings) for 4th, 5th and 6th gear. 

The new ratios for 5th and 6th gear are:

5th - 1.062
6th - .842

This will help turn your STI transmission into a close ratio gear box, and improve shifting between 4th, 5th, and 6th gear.  This also con Use to improve on problematic 4th, 5th, 6th synchro performance.  This kit also converts your USDM/Euro gearbox to proper Group N ratios.

Professional installation is very strongly recommended.  This part is considered for race use, and therefor does not have a parts warranty.


SKU: RST-1145KIT
Dimensions: 8.0 x 6.0 x 6.0
Weight: 12.00
Price: $518.30 


Quantity:   




Koyo Aluminum Radiator for WRX and STi
Koyo Aluminum Radiator for WRX and STi