beiges are 220-30 cc and vxr are 480 cc. think i`ve managed to source out a gm part number for the rail and 4 injectors. just waiting for it to come in on stock order. bout £115 from vauxhall new. karlos g got 230 bhp out of them on his cvh i would`nt have though beiges could do 200bhp as i found out my cossie blues 311cc weren`t up to it either??