This clear Billet aluminum 300-630 throttle body adapter, being sold separately, is part of Holley's modular design to allow you to build the intake in different configurations according to your engine's needs.

Holley 300-630 Features:

• Throttle body adaptor for the Holley's Modular Lo-Ram Intake Manifold bases 300-602 and 300-603 (sold separately)
• Front entry plenum flange allows for custom installations
• Compatible with a Holley 112-581 throttle body (sold separately)

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.

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