What makes the stock pinion housing so vulnerable?
The factory GM pinion housing uses a bolt-through ear design with protruding ears where the mounting bolts pass through. These ears are inherently weak stress points, notorious for cracking and breaking under hard launches and high-torque applications. When an ear breaks, the housing is forced out through the back of the differential case — rendering the car completely undrivable and causing extensive collateral damage in the process. This failure is well known among serious Corvette builders and can happen on street cars, not just race applications.
The TDP solution — solid aluminum, no ears, no weak points
Our exclusive heavy duty pinion housing eliminates the ears entirely. Machined from solid aluminum with a completely solid profile all the way around, there are no protruding ears to crack and no weak points to fail under load. It is significantly stronger than any factory pinion housing across the entire C5 and C6 lineup — including the C6 Z06.
Reviews
There are no reviews yet.