Speedmaster®
1200 Cfm 4 Barrel 4150 Billet Throttle Body
Product Information
Specs
| Brand: | Speedmaster |
| Part Number: | PCE138.1002 |
| Part Type: | Throttle Body |
| Throttle Body Style: | Multi-port injection, MPI |
| Airflow Rate (cfm): | 1200 cfm |
| Venturi Quantity: | 4 |
| TPS Sensor Included: | No |
| IAC Motor Included: | No |
| 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 individually. |
Attachments
Description
This new 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"!
The air inlets are formed with radiused openings 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
Sensor Recommendations:
MAP: LS style MAP sensor (Part Number: 12614970)
TPS: PCE366.1009 (Use PCE366.1010 when using PCE366.1009)
IAC: PCE108.1001
Two Vacuum Ports: 1/4 barbed fitting needed
Warranty Information
Prop 65 Warning
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.