Radium 4-Port Manifold — Universal Fuel & Coolant Plumbing

This CNC-machined aluminium 4-port manifold provides flexibility when plumbing a fuel or coolant system using multiple pumps or fuel rails. Featuring two -6AN ORB (9/16-18 thread) ports and two -8AN ORB (3/4-16 thread) ports, the manifold measures approximately 4.5" in length. Fully anodized and resistant to all fuel types including E85, ethanol, and methanol.

Five kit configurations are available to suit universal, Bosch 044, AEM, and Deatschwerks pump setups — select the correct part number for your application using the guide below.

Suits: Universal — fuel and coolant system plumbing with multiple pumps or fuel rails

Kit Configurations:

20-0062 — Universal Kit

• 4-Port Manifold
• 8AN ORB Plug
• 8AN ORB to 8AN Male
• 8AN ORB to 10AN Male
• 6AN ORB to 6AN Male (x2)

20-0063 — Bosch 044 Kit (Check Valves Eliminated, Pumps Cannot Be Staged)

• 4-Port Manifold
• 8AN ORB Plug
• 8AN ORB to 8AN Male
• 8AN ORB to 10AN Male
• 6AN ORB to M12x1.5 Male (x2)
• M12 Crush Washer (x2)

20-0463 — Bosch 044 Kit (Check Valves Retained, Pumps Can Be Staged)

• 4-Port Manifold
• 8AN ORB Plug
• 8AN ORB to 8AN Male
• 8AN ORB to 10AN Male
• 10AN ORB to 6AN Male (x2)
• Bosch 044 Check Valve Adapter (x2)
• M12 Crush Washer (x2)
• 6AN ORB Viton O-ring (x2)

20-0187 — AEM 50-1005 Pump Kit

• 4-Port Manifold
• 8AN ORB Plug
• 8AN ORB to 8AN Male
• 8AN ORB to 10AN Male
• 6AN ORB to 6AN ORB (x2)

20-0188 — Deatschwerks DW 350iL Pump Kit

• 4-Port Manifold
• 8AN ORB Plug
• 8AN ORB to 8AN Male
• 8AN ORB to 10AN Male
• 8AN ORB to 6AN ORB (x2)

Available Part Numbers:

• 20-0062 — 4-Port Manifold, Universal Kit
• 20-0063 — 4-Port Manifold, Bosch 044 (no check valves, cannot stage)
• 20-0463 — 4-Port Manifold, Bosch 044 (check valves retained, stageable)
• 20-0187 — 4-Port Manifold, AEM 50-1005 Pumps
• 20-0188 — 4-Port Manifold, Deatschwerks DW 350iL Pumps

Why Radium Engineering?

• ✅ Manufactured in the USA to motorsport-grade tolerances
• ✅ CNC-machined billet aluminium components for precision fit and long-term durability
• ✅ Trusted by tuners and race teams running high-power builds worldwide
• ✅ Bolt-on fitment — no cutting, drilling, or fabrication required
• ✅ Fully anodized and compatible with E85, ethanol, methanol, and flex fuel applications