Pontiac GTO 04-06 / Holden VT-VZ Commodore 31 Spline HD Axle Stubs Pair (LH RH) and corrosion-treated

and corrosion-treated

each Manifold is 100% pressure tested for leaks to eliminate installation problems

They're 40 percent lighter

all our models include a 0-90 ohm built-in fuel level sending unit

To remain street legal with a square bore carb

Pontiac GTO 04-06 / Holden VT-VZ Commodore 31 Spline HD Axle Stubs Pair (LH RH) and corrosion-treatedSpeedmaster axle stubs are machined from solid billet 4340 material, heat treated to the highest Rockwell hardness available, and corrosion treated. We recommend using our Speedmaster LSD or Full Spool units. We control the entire machining process and use only premium materials.