the plug you want you can get from vehicle wiring products on

: 0115 9305454.


175 amp connector, Includes two terminals which accept cables up to 40mm2
Red Ref: PP175R.....£9.66 ea
Grey Ref: PP175S.....£9.66 ea
Terminals for 35mm2 cables. Ref: 180536 ...£3.46 pair
Handle for PP175, Includes screws & nuts for mounting to connector.
Ref: PPH1. £7.79 ea
hope this helps these are the exact part numbers you need