S58 and B58 Gen 2 High Flow Injectors What sets Nostrum apart: 26% larger than Stock S58 60% larger than Stock B58 Gen 2 350 bar fuel pressure capable (fuel rail target), will accomodate normal overpressure in operation Direct fit, no harness adapters or spacers required Ethanol... MSRP: $2,299.00 Was: Now: $2,099.00