BILLET STEEL FORWARD DRUM W/300M ALLOY INPUT SHAFT

The Coan Racing COA-22813C Billet Steel Forward Drum with 300M Alloy Input Shaft is a heavy-duty, precision-engineered assembly designed for high-performance and race-ready Turbo Hydramatic 400 transmissions. This billet steel forward drum integrates Coan’s 300M alloy input shaft, offering a substantial strength and durability upgrade over OEM components. Built in the USA, the part is highly regarded for its robust construction, capable of enduring extreme torque loads while maintaining superb structural integrity, essential for serious street/strip and bracket racing applications.

It’s engineered to drop into existing TH400 cases without machining. This thoughtful design positions the COA-22813C as a top-tier front-end strengthening solution that boosts drivetrain rigidity, enhances input stability, and improves overall performance under extreme conditions. It's an ideal choice for builders seeking unmatched reliability and aggressive power handling in their TH400 transmissions.