Pontiac GTO 2004-06 Holden VT-VZ Commodore Billet Anti-Tramp Differential Mount Put together your own custom

Put together your own custom exhaust system with these Speedmaster collector reducers

Speedmaster valve locks are designed for stock or performance engines using 7 degree valve locks

modeled off OE castings for factory fit and finish

Constructed from a composite material with a steel core

Pontiac GTO 2004-06 Holden VT-VZ Commodore Billet Anti-Tramp Differential Mount Put together your own customEliminate the wheel hope in your independent rear suspension unit by upgrading to this billet aluminum differential mount. Bolt on application for an easy upgrade and includes hardware. Available in natural and powder coated black.