Radium Fuel Rail Plumbing Kit, GM Vortec 8100 L18 Big Block (2001-2003)

The Radium Engineering 20-1062 Fuel Rail Plumbing Kit is designed for: 2001–2003 GM Vortec 8100 (L18) with Radium 20-0862 fuel rails.

This kit includes all the necessary plumbing hardware to permit a plug and play affair with the 20-0862 fuel rails in 01-03 vehicles with a return style fuel system.

An SAE quick connect adapts to the OEM feed line. An 8AN crossover fuel line routes around the rear of the engine and connects both fuel rails. A fuel pressure gauge and adjustable fuel pressure regulator mount directly to the LH fuel rail. The OEM return SAE quick connector attaches directly to the regulator outlet fitting. 8AN ORB plugs are included for all unused ports. Nothing else is required.

Vehicle Fitment

• 2001–2003 GM Vortec 8100 (L18) with Radium 20-0862 fuel rails

Available Part Numbers

• 20-0862 — Fuel Rails, GM Vortec 8100 L18 Big Block (sold separately)
• 20-1062 — Fuel Rail Plumbing Kit, GM Vortec 8100 L18 Big Block (2001-2003) (this product)
• 20-1162 — Fuel Rail Plumbing Kit, GM Vortec 8100 L18 Big Block (2004-2010) (sold separately)

Why Radium Engineering?

• ✔ Designed and manufactured in the USA
• ✔ CNC machined billet aluminium — precision fit, no compromise
• ✔ Trusted by professional motorsport teams and serious enthusiasts worldwide
• ✔ Exclusively distributed in Australia by Coore

Genuine Radium Engineering product, supplied by Coore Australia. Confirm fitment with Coore before ordering. Professional installation recommended.

Browse more Radium Engineering parts at JDM Mods NQ