We carry LS Parts

102 mm 4-Bolt LSX Throttle Body


Featuring a CNC-machined aluminum housing, this large throttle body provides maximum airflow for mid to high range horse power engines. Combined with a Top Street Performance fabricated intake manifold, this will give your street or strip car a cosmetic and performance boost guaranteed to turn heads.

TSP's throttle body is design to get the most bang for your buck.

Intelligent Design

This billet aluminum throttle body is a great and economical way to increase the overall performance of your LSX engine and the ideal compliment to a fabricated intake manifold from Top Street Performance. The large 102mm bore is guaranteed to supply maximum airflow for a high-horsepower set-up. Features like the progressive throttle pulley, double return spring, and an adjustable throttle stop ensure consistent throttle response and idle control.


Injection StyleMulti-port
Throttle StyleDrive by Cable
Throttle Body Bore Size102mm
Throttle Body Bolt PatternStandard OE 4-Bolt Pattern
Throttle Body MaterialBillet Aluminum
Venturi Quantity1
Idle Air Control MotorGM #17113598
Idle Air Control Motor IncludedNo
Throttle Position SensorGM #17123852
Throttle Position Sensor IncludedNo
Included Mounting Bolts



  • 81001
  • 81002
  • 81003
  • 81007


  • Will not fit 92mm intake manifolds