Racetorations J-Type Roller Thrust “Stag” Steel Bushed Gearbox – TR6

£2,100.00£2,550.00

  • Roller thrust bearings fitted at each end of the laygear
  • Roller bearings increases the strength and reliability of the gearbox unit, a must for any performance TR
  • Exclusively manufactured layshaft which is hardened to approximately twice the standard depth
  • Lay gear modifications use high speed bearings that halves the point load on the lay-shaft
  • Synchro rings are competition type hand toleranced into each unit
  • All bushes fitted are steel as the brass versions found in most TR boxes do not withstand the loadings experienced in a modified car
Part Number: GER003-J Category: Brand:

Racetorations have over 30 years of development in modifying the TR gearbox. Our gearboxes are used worldwide. They are reliable and extremely strong. This gearbox includes the same concept found in the Triumph Stag gearboxes, a roller thrust at each end of the laygear. However our gearboxes use all TR internals and a modern roller bearing compared to the original Stag item. This modification increases the strength and reliability of the gearbox unit, a must for any performance TR.

It also includes a specially made layshaft which is hardened to approximately twice the standard depth. The lay gear modifications use high speed bearings that halves the point load on the lay-shaft. Synchro rings are competition type hand tolerance'd into each unit. All bushes fitted are steel as the brass versions found in most TR boxes do not withstand the loadings experienced in a modified car. The boxes have been used in TR Register championship winning TR4s and TR6s as well as in our 230 BHP Talisman TR6 and many other TRs built to circa 200 BHP+. This gearbox is a direct replacement for a standard unit and allows for an J-type overdrive to be fitted.
Please see part number GER007 for the box and delivery options.

 

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