RADIUM Engineering 20-0232 High-Flow Fuel Rail Kit for GM LS1 LS2 LS3 LS6 L76 L99 Engines

The RADIUM Engineering 20-0232 Fuel Rail Kit is a high-performance upgrade designed for GM LS-series engines including LS1, LS2, LS3, LS6, L76, and L99. Engineered to support high-horsepower applications, these fuel rails feature a large 0.69-inch internal diameter bore capable of meeting the demands of even the most fuel-hungry engines.

Premium Construction:

• CNC machined from extruded 6063 aluminum for superior strength and durability
• Black anodized finish with laser etching for professional appearance and corrosion resistance
• Media blasted surface treatment for high-quality finish
• All end ports machined with 8AN ORB (3/4-16 female) threads
• Lower center ports tapped with 8AN ORB threads for optional accessories

Modular Design Features:

• Specifically designed billet aluminum mounting feet for universal LS engine compatibility
• Modular feet allow installation across multiple GM LS engines by simply flipping and reinstalling into different threaded holes
• 14mm ID injector bores maintain compatibility with factory OEM injectors
• Compatible with all fuel types including E85 and other alcohol mixtures

Complete Kit Includes:

• 2 black anodized laser-etched aluminum fuel rails
• 4 black anodized aluminum mounting feet
• 8 stainless steel mounting feet hardware pieces
• 4 stainless steel replacement mounting bolts

This direct bolt-on fuel rail kit provides the foundation for increased fuel delivery capacity, making it ideal for forced induction applications, high-flow fuel injectors, and extreme performance builds. Note: Not compatible with factory engine covers or early LS1 engines equipped with in-rail fuel pressure regulators. Plumbing kits sold separately (20-0263 for LS1/LS2/LS6/L76 or 20-0232-PK for LS3/L99).