Throttle Body Shop TBS 10319 TBI Fuel Fittings 1986-95 TBI fuel fittings for 1986-95 GM TBI motors - remanufactured Fits: 2.8L 4.3L 5.0L 5.7L 7.4L TBI motors replace striped or rusted fittings Silverado Sierra Suburban Yukon Blazer Camaro Firebird Caprice S10 Jimmy 2nd photo shows typical TBI injector assembly these fit