RTS' ring and pinion sets and mini spool kits are manufactured to meet and exceed OEM specifications that are required for todays performance cars. The design, tooling, steel selection, and heat-treat recipes are all controlled by the RTS manufacturing factory to produce cost-alternative ring and pinion sets. Available in a wide variety of gear ratios for your modern Holden Commodore or Ford Falcon.

RTS bearing kits are carefully put together with top name brands to make life easier when rebuilding your late model Beam or IRS differential. These include all the necessary components required - bearings, pinion seal, crush sleeve, marking paste, Loctite®, gaskets or o-rings.

Note: Due to the many variations of the M78 diff we are listing the bearing numbers supplied in kit

Pinion Bearings: HM88649/HM88610 & M86649/M86610

Carrier Bearings: LM102949/102911

*Pinion nut supplied is metric version, Some pinions use a  3/4-16 imperial thread and is N/A at this stage