⚠️ ROUGH IDLE?. POOR ACCELERATION?. TBI Throttle Body 5.7L V8 Fit Chevy GMC 1987-1995 ⚠️. 【DO YOU HAVE THESE TBI SYMPTOMS?. 【WHY CHOOSE THIS TBI THROTTLE BODY?. No modifications required – bolts directly in place of your factory Rochester/Delco 220 TBI unit.
