Speedmaster PCE628.1003 Ford C4 Aluminum Transmission Case SFI 4.1 Approved

The Speedmaster PCE628.1003 is a high-performance aluminum transmission case engineered specifically for the Ford C4 automatic transmission. Designed to eliminate the weak points inherent in the factory stock case, this race-ready unit is built for demanding drag strip and motorsport applications where reliability under extreme load is non-negotiable.

Constructed from aluminum with a natural finish, the PCE628.1003 features a fully integrated flexplate shield and transmission shield rated to SFI 4.1 specifications, meeting sanctioning body safety requirements for competitive racing. An adjustable trans-brake release is built directly into the case, providing precise launch control capability without additional modification.

Key Features:

• Aluminum construction with natural finish for strength and weight savings
• SFI 4.1 certified transmission shield built in
• Integrated flexplate shield for added safety compliance
• Adjustable trans-brake release included
• Vacuum modulator valve thread size: 5/8-11
• Sold individually — case only

Important Note: This product is intended for racing applications only and is not designed for street use. California Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.