Speedmaster®
Ford C4 Transmission Booster Valve Set
Product Information
Overview
When rebuilding high performance or heavy-duty transmissions, many rebuilders wish to increase line rise. Speedmaster large ratio boost sleeve and valve kit address poor line rise, direct clutch failure and soft slide shift complaints caused by a worn sleeve.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE612.1017 |
| Part Type: | Others, Transmission Component |
| Transmission Valve Type: | Boost Valve |
| Sleeve Length (in.): | 1.220 in. |
| Sleeve Outer Diameter (in.): | 0.764 in. |
| Sleeve Material: | Billet Aluminum |
| Valve Material: | Steel |
| Quantity: | Sold as a set. |
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.