- Transmission & Drivetrain
- Automatic Transmission Components
- JEGS Dual SFI Approved Powerglide Transmission Case
Affordable High-Performance Transmission Cases
JEGS Dual SFI Certified Powerglide Transmission Case is cast from 356-T6 aluminum. This affordable heavy-duty transmission case is fully machined and interchangeable with stock, so it works with all Powerglide components. The bell-housing is machined for small block and big block Chevy engines. Includes an internal SFI 30.1 certified liner and 4.1 bell-housing (no need to add a bulky flexplate or drum shields).