RADIUM Engineering 20-1138 Billet Fuel Rail for Polaris Prostar 2.0L

The Radium Engineering 20-1138 is a precision billet fuel rail engineered specifically for the Polaris Prostar 2.0L engine found in various powersports vehicles. Designed as a true bolt-on upgrade, this fuel rail installs directly in place of the factory unit with no modifications required, making it an ideal solution for enthusiasts seeking improved fuel system reliability and tuning flexibility.

Key Features:

• Billet construction — CNC-machined from billet aluminum for superior strength and durability over OEM components
• Direct bolt-on fitment — installs without any cutting, drilling, or permanent modifications
• 8AN ORB threaded ports — industry-standard O-ring boss fittings for leak-free, high-pressure fuel line connections
• Center accessory port — additional port in the center of the rail for integration with fuel pressure regulators, gauges, or other fuel system accessories
• Compatible with the optional Radium Engineering 20-1138-PK plumbing kit for a complete, turn-key factory fuel line connection

The Radium Engineering 20-1138 billet fuel rail is the go-to choice for Polaris Prostar 2.0L builds requiring a high-quality, upgrade-ready fuel delivery solution.