Throttle Position Sensor: 87-90 F w/ TBI (NOS)Located on the LH side of the Throttle Body (TBI) .. your car will have an air cleaner .. not Tuned Port Injection (TPI). This is for the 87 90 Camaro & Firebird 305 TA 5. 0 litre Sometimes also knowns as a TPS SWITCH rather then a sensor GM NEW original part. Discontinued NEW OLD STOCK BRAND NEW GM AC DELCO IN THE PACK NEW NOS. We have less then 3 left (Reminder that Electricals are non returnable once sealed bag is open.. its so nobody gets