Radium Fuel Cell Nut Ring, Black Anodized AR154-3604 OEM variants typically range from

OEM variants typically range from 4-6mm as a comparision

Gen-V WG45/50 7psi Green Middle Spring

6AN ORB Viton O-ring (x2)

Designed for the race enthusiast

NOTE: Some European models have headlamp washer reservoirs which creates an interference with the PCV catch can

Radium Fuel Cell Nut Ring, Black Anodized AR154-3604 OEM variants typically range fromThis nut ring is manufactured from 6061 aluminum and is anodized to permit all fuel types and to prevent corrosion. All threaded holes are tapped for 1 4" 28 using the industry standard 6x10 pattern. It was designed to bolt into Radium RA series fuel cells but can work with others. Gasket not included.