Included in our standard kit, this rear end is commonly used in stock cars and race cars. It offers high performance, durability, and the ability to handle serious horse-power. Choice of common rear-end
gear ratios available.
This rear end offers high performance and race proven handling. The IRS package includes a limited slip differential (with your choice of gear), and an extremely rigid design built to take abuse. Take your 427 Roadster to the next level of handling and order the IRS option today.
This allows an increase in ride quality and gives you superior customization of your ride height.