they make a massive difference in launching and gear change feels alot better, yeah they are pretty easy to do ermmm im not sure my mate was fixing it for him got a redtop in with the kit on i donno if he went wales i`ll find out we are from london so i dno if he would heres a few pics ive got some new brake fluid cost me 45quid for 2 litres and thats on my staff discount bloody madness best be worth it is silicone based stuff old new how low can u go and the new fluid