Speedmaster®
1200 CFM 4 Barrel 4150 Billet Throttle Body Kit
Product Information
Overview
This Speedmaster throttle body is designed to produce smooth, stable air flow at any rpm. The entire throttle body begins as a billet of 6061- T6 aluminum for superior quality and is introduced to a state-of-the-art CNC machine. From here it is precisely machined resulting in overall accuracy to within 0.001"!
Specs
| Brand: | Speedmaster |
| Part Number: | PCE138.1002.02 |
| Part Type: | Throttle Body |
| Throttle Body Style: | Multi-port injection, MPI |
| Airflow Rate (CFM): | 1200 CFM |
| Venturi Quantity: | 4 |
| Venturi Diameter (mm): | 44.00mm |
| TPS Sensor Included: | Yes |
| IAC Motor Included: | Yes |
| Gaskets Included: | No |
| Hardware Included: | No |
| Throttle Cable Thread Size: | 1/4-20 |
| Injectors Included: | No |
| Throttle Body Material: | Billet Aluminum |
| Throttle Body Finish: | Natural |
| Quantity: | Sold as a kit. |
| Notes: | Square bore flange |
Description
The air inlets have a fillet opening to supply a smooth entrance for the air. Brass throttle blades control vibration & reduce thermal expansion Bearing mounted butterfly shafts for smooth throttle action Shorter height for better airflow, easier packaging for tight hood clearance and reduced weight Comes complete with billet arms and stops. Provision for TPS on unit
Warranty Information
12-Month Limited Worldwide Warranty
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Installation Guide
Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.
This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.