-4 restrictor -40 Thou Hole

-4 restrictor -40 Thou Hole

Speedflow 399-04 – -4 restrictor -40 Through Hole. The Speedflow name has become synonymous with quality and performance in the hose fitting industry and is used in every facet of Motorsport from professional teams through to the weekend racers as well as other spectrums of the market such as the show car circuit, marine, industrial hydraulics and even the aviation sector.Speedflow have 30 plus years of research and development and have state of the art machinery to produce the world’s most compact and strongest hose ends and adapters. Their bends are as low and strong as forged fittings but with the advantage of a swept full flow bend.Speedflow fittings are made from marine quality 6061 billet aluminium for strength, quality of finish, superior corrosion and fatigue resistance.

• -4 restrictor -40 Thou Hole
• Made from 6061 grade aluminium