Product Overview Supertech GIVN-3920S Supertech GM Vortex 4cyl/5cyl/6cyl Black Nitrided Intake Valve - +2mm Oversize - Single
Supertech Supertech GIVN-3920S-10 Supertech GM Vortec 5cyl Black Nitrided Intake Valve - +2mm Oversize - Set of 10
Supertech Supertech GIVN-3920S-8 Supertech GM Vortec 4cyl Black Nitrided Intake Valve - +2mm Oversize - Set of 8
Supertech Supertech GIVN-3920S-12 Supertech GM Vortec 6cyl Black Nitrided Intake Valve - +2mm Oversize - Set of 12
Supertech Supertech GEVN-3434S Supertech GM Vortex 4cyl/5cyl/6cyl Black Nitrided Exhaust Valve - Single
