Radium 8AN ORB Female to 6AN ORB Male Adaptor Fitting Radium Catch can E46 M3 Part Numbers: 18-0025-03 / 18-0025-04

Part Numbers: 18-0025-03 / 18-0025-04 / 18-0025-05 | Suits: Radium Engineering High-Flow Fuel Filter Housing (Universal)

✓ Universal fitment for custom installations

Radium Fuel Surge Tank Frame Rail Mount Kit — Lotus Elise/Exige 2ZZ-GE

✅ Trusted by tuners and race teams running high-performance Lotus builds worldwide

Ideal for custom fuel surge tank and fuel cell installations requiring internal triple Walbro 255 pump wiring

Radium 8AN ORB Female to 6AN ORB Male Adaptor Fitting Radium Catch can E46 M3 Part Numbers: 18-0025-03 / 18-0025-04This precision machined adapter fitting converts an 8AN ORB (O Ring Boss) female port to a 6AN ORB male connection, allowing you to step down between ORB port sizes in a fuel, oil, or coolant system without the need for additional fittings or hose sections. AN ORB fittings use positive O ring sealing rather than tapered threads no PTFE paste or thread sealant required. Lubricate the O ring with engine oil before installation. Compatible with all fuel