Holley Braided Fuel Rail Kit -8AN Double Pumper & Avenger Series

Holley Braided Fuel Rail Kit -8AN in Silver Finish is built to streamline your Holley 4150 dual-carburetor setup. Engineered for dual metering block configurations, this -8AN inlet rail ensures reliable fuel delivery with a clean, braided appearance that stands up to performance environments.

Compatibility and fit

Designed to suit Holley 4150 dual fuel lines with dual metering blocks and the 7/8-20" fuel bowl inlet threads, this rail kit integrates seamlessly with established Holley carburetion systems.

Key features

• Radius flowed fittings for smoother fuel routing and reduced pressure drop
• Designed for -8AN sizing to match high-flow fuel systems
• Female 1/8" port included to accommodate a fuel pressure gauge

Finish options

Currently offered in Silver Finish, with additional anodised options available in Blue/Red, Black and Silver.

Why this rail kit matters

For enthusiasts running dual metering block carbs, a dedicated inlet rail with compatible threads and a gauge port simplifies installation, tuning, and monitoring. The braided construction not only provides a robust, race-ready look but also helps shield fuel lines from heat and abrasion in demanding applications.