Have a look at this thread
https://www.vxoc.org.uk/forum/Thread-Pro...a-j-5-door
this is the stuff
http://www.ebay.co.uk/itm/BOLT-ON-PANEL-...xy4dNS1~Sy
or you can use this stuff also probably do the job better
http://www.ebay.co.uk/itm/Windscreen-Sea...SwGvhT5f5W
but i would fit the lights to the car and do the light aliment first before you reseal them
makes life alot easier
https://www.vxoc.org.uk/forum/Thread-Pro...a-j-5-door
this is the stuff
http://www.ebay.co.uk/itm/BOLT-ON-PANEL-...xy4dNS1~Sy
or you can use this stuff also probably do the job better
http://www.ebay.co.uk/itm/Windscreen-Sea...SwGvhT5f5W
but i would fit the lights to the car and do the light aliment first before you reseal them
makes life alot easier