![105 mm Throttle Body Adapter for Modular Ultra Lo-Ram Intake Bases [Black Finish]](https://www.jegs.com/images/mini_750/500/510/510-300-606bk.jpg)
105 mm Throttle Body Adapter for Modular Ultra Lo-Ram Intake Bases [Black Finish]
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Holley 300-606BK Features:
- Throttle body adaptor for Holley 300-621BK, 300-623BK, and 300-625BK Modular Ultra Lo-Ram Intake Manifolds
- Front entry plenum flange allows for custom installations
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Components for GM LS/LT Lo-Ram and Ultra-Lo Ram Intakes
These components are specifically for Holley's Lo-Ram and Ultra-Lo Ram line of intake manifolds. You can select the parts individually as you build your injection system or when replacing damaged parts.



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