This performance-grade polyurethane bush kit is designed for the gearbox tie bar fitted to Austin Healey gearboxes. It replaces the original rubber bushes with firmer polyurethane to provide more controlled location of the gearbox under load.
Important: this is the same bush kit used for the gearbox tie bar on four-speed side-change and four-speed centre-change gearboxes, and it is also the same kit supplied for the BN1 three-speed gearbox tie bar.
Yes, if your car is fitted with a gearbox tie bar. This bush kit is used across multiple Austin Healey gearbox types.
Fits:
Also fits:
Does not fit:
Installation is straightforward using standard hand tools and reuses the existing tie bar and fixings unless worn.
Compared with rubber bushes, a firmer transmission of drivetrain movement may be noticeable.
The performance compound is intended for owners who want more consistent gearbox location and reduced compliance compared with rubber bushes. It offers improved durability and stability for cars driven enthusiastically on the road.
Yes. The bush kit supplied is the same for both four-speed gearbox types.
Yes. The BN1 three-speed tie bar uses the same polyurethane bush kit.
No. Later BJ8 models use a different rear gearbox mounting arrangement.
Yes. The performance compound has reduced compliance compared with rubber.
PERFORMANCE
