
DRUM ASSY - ALUM DRUM & CENTER
- Fast US Shipping
- 30-Day Returns
- Secure Checkout
Shipping & Returns
Most orders ship within 1–2 business days from US warehouses. Tracking is emailed as soon as your order is on its way.
30-day hassle-free returns on unused parts in original packaging. Read the full returns policy
Overview
Upgrade your vehicle's performance with the ATI Performance Products Drum Assembly, designed specifically for automatic transmissions. This aluminum drum is engineered for durability and efficiency, making it an essential component for any serious automotive enthusiast.
- Heavy-Duty Support: Features a robust center support that ensures stability under high-stress conditions.
- Enhanced Clutch Capacity: Accommodates up to 8 direct clutches with 0.060 steels, allowing for improved power transfer.
- Direct Clutch Configuration: Equipped with 6 direct clutches and a 4 clutch intermediate pack to optimize shifting performance.
- Quality Construction: Made from lightweight yet resilient aluminum, reducing overall weight without compromising strength.
- Complete Assembly: Sprag assembly included, providing everything you need for a straightforward installation.
This ATI Performance Products Drum Assembly (part number 407056) is sold individually and is designed for use in GM TH400 transmissions. Experience reliable performance and enhanced durability with this premium transmission drum.
Transform your transmission with ATI's trusted quality and performance.
- Ships fast from US warehouses
- 30-day hassle-free returns
Specifications
| Brand | ATI Performance Products |
| GTIN | 00800157034763 |




