Dinan Valve Stem Caps Induction Hoses Anti-drain back valves made of

Anti-drain back valves made of silicone provide greater cold/heat resistance

Made in Japan

otherwise a 4" hose can be purchased separately if upgrading turbo in the future

Custom high flow low inertia 64mm turbine wheel

Lower IATs mean you have the capability to make more power with your current set-up

Dinan Valve Stem Caps Induction Hoses Anti-drain back valves made ofDetails matter. That's why we've added Dinan Valve Stem Caps to the ever expanding product lineup! Sold as a set of 4 aluminum caps, each has a Dinan "egg" logo engraved on the face to accentuate even the smallest of details in your high performance build.