Housing Set, Fuel Injector LH & RH, 1st Design for 1990 ZR-1 LT5. This item is offered as a matching set only, LH PN 10159505 and RH PN 10159506. One (1) set containing both LH & RH housings is required per engine.

NOTE: This is a USED, GM "NOS" part. 1st Design which has the "washer/baffles" in the crankcase ventilation ports to the PCV system.  This design can also be used, with or without removal of the washer/baffles,  as a direct replacement for the 2nd design system which does not have them.

This set of injector housings is unmolested, with no porting or modifications of any kind.