HI,
After looking on various web sites for some time it is very difficult to find after market disc for the SRT 6 of any quality ie slotted drilled or dimpled, but after being in contact with EBC brakes they have started looking at our cars but at the moment only produce the fronts that are the same as the 450 Merc but as yet not the rears !!! this looks like it is going to change in the next 4 or 5 weeks as they have now a ref number for the fronts, so after speaking to a chap at Larkspeed i have given a deposit for the fronts only, hoping to get the ball rolling and making them EBC aware that there may be a market for a small batch to be produced...anybody interested ? ..

ULTIMAX SLOTTED DISCS
FRONTS USR 1516 =£243
REARS USR 1443 =184 inc vat

They seem to be a quality product with a nice finish you can easily view them on EBC or LARKSPEED website