This throttle position sensor fits a wide range of Holley 2 bbl and 4 bbl TBI units, including Pro-Jection PN's 502-3 through 502-7, 4 bbl TBI PN's 534-171 through 534-187, and Avenger EFI TBI's PN's 550-400, 550-401, 550-402, and 550-200.
Specifications:
- Part Type: Throttle Position Sensor
- Mounting Style: Bolt-On
- Housing Material: ABS Composite
- Connector: Female, 3-Pin (connector not included)
- Color: Black
- Compatible With: 502-3, 502-4, 502-5, 502-6, 502-7, 534-171, 534-172, 534-173, 534-187, 550-400, 550-401, 550-402, 550-200
- Part Number: 543-29
Verify your specific throttle body part number before ordering, as this sensor spans multiple applications.
FAQ
What throttle bodies is the 543-29 TPS compatible with?
It fits multiple Holley 2 bbl and 4 bbl TBI units and Avenger EFI TBI's — see the compatible part number list above.
Is the connector included?
No, the connector is not included with this sensor.
How many pins does the connector use?
3 pins.

