Radium Fuel Rail Plumbing Kit, LS1 / LS2 / LS3 / LS6 / L76 / L99 FPD-XR

Radium Fuel Rail Plumbing Kit, LS1 / LS2 / LS3 / LS6 / L76 / L99 FPD-XRRadium Fuel Rail Plumbing Kit GM LS1 LS2 LS3 LS6 L76 L99 Complete your Radium Engineering fuel rail installation with this purpose built plumbing kit for GM LS series engines. Designed to work directly with Radium fuel rails, this kit includes all the hardware and fittings needed to tie the rails together and integrate cleanly into the factory fuel delivery system no fabrication, no guesswork. Whether you're building a street machine, a track car, or

Manufactured with a large internal bore to support all necessary engine power requirements

8AN ORB Plug

Requires a 2AN ORB (5/16"-24) threaded port for mounting

Select appropriate variant based on your application requirements

Outlet: 10mm barbed connection

Direct bolt-on installation simplifies setup

Protects engine from carbon buildup and maintains intake system cleanliness

Mazda 3 MPS (2006-2013) - MZR

✅ Universal fitment — no cutting or fabrication required

making them emissions compliant and track legal

✅ Direct drop-in replacement — no modification required

It does not address blow-by from the PCV side of the crankcase