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TSP Velocity 92 mm 4-Bolt LS Throttle Body

Part Number: 81042

Availability: In stock

TSP Velocity 92 mm 4-Bolt LS Throttle Body
This item has free shipping
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P65 Warning WARNING: Cancer and Reproductive Harm -



Top Street Performance is proud to offer a one-year warranty.

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 92mm 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 Size92mm
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



This product is legal for off road use and non pollution controlled vehicles (1965 & older); however, it has not been tested or approved by the California Air Resources Board (CARB) for highway vehicles in the state of California. By purchasing this product, buyer agrees it will not be used on pollution controlled vehicles in California, or in a state with similar emissions regulations.


Part Numbers

Black Anodized81042BK
Natural Silver81042

Additional Information

Make Cadillac, Chevrolet, GMC, Pontiac
Engine Type Chevrolet Small Block V8 Gen. III/IV (LS-Based)
Transmission Type Universal
Axle Type Universal
Warranty N/A
Maximum Voltage N/A
Instructions & Diagrams

Technical Resources

Download Installation Instructions