As Mark says 2 strips of wood fit between the rails. They are then "secured" with a leather strap that fits on the stud on the seatbox.....

One here..... https://www.ebay.ie/itm/Land-Rover-Series-1-2-2a-3-Brass-Brake-Pipe-Union-4-Way-Connector-241690-565719-/272343782080

I can't see any of Gpo's pics either.....

Could you mount a small length of threaded bar to the seat with a hole drilled out to accept the split pin?.....

Have you Overdrive fitted?.....

Could it be this one?.....

Is the motor still good? My snailbox was in far better condition than yours but the motor was just a heap of rust. If you do decide to 'upgrade' save the hamster wheel for me!.....

Is it the location of the switch you're after? On a Series 3, with no servo, it's at the Brake Pedal so have a look around there.....

Studs are here..... https://www.paddockspares.com/576825-wheel-stud-series-3.html

I fitted this set..... http://www.hawkcaralarm.com/Universal4DoorRemoteCentralLockingKit.aspx There's a bit of a 'write up' on how to fit it here..... https://www.landyzone.co.uk/land-rover/defender-central-locking-fitting.317244/#post-4024986

Welcome aboard..... Craddocks..... https://www.johncraddockltd.co.uk/ Paddocks..... https://www.paddockspares.com/ Trillicks, Co. Tyrone..... https://www.trillickautoparts.com/

A bit 'pricey' for what it is..... https://www.ebay.ie/itm/Land-Rover-Series-Jaeger-Smiths-Gauge-Instrument-Lucas-E10-Warning-Bulb-Holder/273067667299?hash=item3f9419ef63:g:9XUAAOSw~T9agsxC

Or is it the Retainer you need?..... https://www.paddockspares.com/catalogsearch/result/?q=AFP710120

Oooh, you should introduce first but this might be what you're after. Regards..... http://new.lrcat.com/#!/1235/674/675/150/1801 https://www.paddockspares.com/seal-43.html

Would you try spraying your old ones?.....

Could be this guy..... https://www.youtube.com/channel/UCRssffMP_F8_SCJcqFLq4Ow/videos

I don't know if my TD5 cap is original or not but I turn key clockwise and cap anticlockwise to open it.....

Thanks Gents, I'll go with the bolt on 'member' so, I think that's all the 'extras' I need for a vehicle that's not going to see too much abuse.....

Hi all, thinking of getting a galvanized chassis for a 1979 88". At the moment I'm leaning towards a Richards one. It will be my first attempt at anything as big as this so I'm hoping for everything to line up without too much hardship. Anyhow, on their site, they have a couple of 'extras' that...

I'm sure mine is 3/8" female on the plug, just use an extension bar in the ratchet. 2001 TD5.....