05 HD 3.90 Differential / NEW

Give your Corvette serious muscle car-style acceleration! Available for 6-speed and automatic C6's. Performance ratio gear sets and heavy-duty output shaft will guarantee quicker acceleration while making sure your differential is bullet proof.

Automatic equipped Corvettes require computer tunig for installation, contact us for more information. 6-speeds can benefit from quicker acceleration without any modification to your Corvette.