Radium Fuel Cell Nut Ring, Black Anodized rb25 RB belts have been known

RB belts have been known to stretch up to 8mm if not more and this has a serious effect on ignition timing

Pins can be straightened and directly soldered to

10AN adapter fittings and hose ends

*The transfer case oil can be top filled with the additional AN port

suits RB Twin Cam and Single Cam engines

Radium Fuel Cell Nut Ring, Black Anodized rb25 RB belts have been knownThis 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.