P-Clamp (6AN)

Simple mounting brackets with a 14.5mm inside diameter: These parts are commonly used to hold 6AN braided hose. They're useful in other spots, too.

For example, see the "DP-R" (direct port) water/methanol injection systems with USRT's advanced RACE valves:

 

Anodized in black, these lightweight mounting brackets will stay lovely "forever" inside a brutal engine bay.