Speedflow Flowed Aluminium Male AN Weld Bung

These are machined with a profiled radius on the inside to increase flow.

Standard weld on's are drilled straight through and parted off. 

999-06-DF (-6 Male Flowed Aluminium)
999-08-DF (-8 Male Flowed Aluminium)
999-10-DF (-10 Male Flowed Aluminium)
999-12-DF (-12 Male Flowed Aluminium)