Armstrong Siddeley preselect gearbox. Only used for 8 laps at Goodwood Revival in 2017 following a complete rebuild by Tom Dark engineering. Standard ratios, not close ratio. Converted to run an open prop shaft (eg MG) rather than torque tube. I have a lid mounted selector also with the gearbox.
PROBABLY THE LARGEST COLLECTION OF AUSTIN TWELVE PARTS ANYWHERE!ENGINES AND ALL SPARES EG BLOCKS, FAN BLADES AND ALL ALUMINIUM CASTINGS, GEARBOXES, GATE AND BALL CHANGE, AND SPARES, FRONT AND REAR AXLES COMPLETE AND ALL SPARES, EG BRAKE DRUMS, SHOES ETC. ALL CHASSIS PARTS, ROAD SPRINGS, SHACKELS, BRACKETS, STEERING COLUMNS, BOXES, WHEELS AND HORN R..