The bits your looking for are;
DVC-30 kit £279.99 + P&P http://www.methanol-injection.co.uk/product_info.php?cPath=21&products_id=55
On/off switch £6. + P&P http://www.methanol-injection.co.uk/product_info.php?cPath=27&products_id=66
Large tank £49. + P&P http://www.methanol-injection.co.uk/product_info.php?cPath=22&products_id=32
Fitting and setting up £105 + P&P http://www.methanol-injection.co.uk/product_info.php?cPath=28&products_id=62
i will be utilising the the washer tank as it has its own warning light built in and it is massive aswell