1/2" Unf X 2" Long 0.6100" Knurled Wheels Studs (Qty. 5) the tip of the valve

the tip of the valve stem is subjected to a tremendous pounding

They're designed with performance in mind

and a plastic knob

Speedmaster high quality aluminum replacement air horn kit to suit downdraft manifolds

1/2" Unf X 2" Long 0.6100" Knurled Wheels Studs (Qty. 5) the tip of the valveWheels studs that are stripped or damaged need to be replaced. Swap them out with Speedmaster wheel studs. Our wheel studs are constructed from heat treated alloy steel with a tensile and shear strength that exceeds SAE Grade 8 specs by 25 percent. These wheel studs feature durable black oxide plating, fatigue resistant rolled threads, Get value for your dollar every day with PCE.