Dimensions

Included Items

Holley 300-680 Features:

• Single fuel injector design for forced-inducted supercharged or turbocharged engines (7,000-8,000 rpm peak power)
• Front-feed plenum entry
• Modular design facilitates custom inlet duct and throttle body placement
• The low manifold height fits under stock hoods or mildly modified hoods in the front-feed configuration
• Clearance for C6 Corvette cowls and hoods without modification
• Lo-Ram Base Intake Manifold Plenum Top Mounting Flange Height (5.170 in.)
• Front Feed Plenum Configuration w/105 mm Throttle Body Adapter (6.860 in.)
• Cast aluminum matte natural finish
• Includes high volume fuel rails with 8 AN (3/4 in. (.750) -16) o-ring ports and mounting hardware
  
  • Brackets for the fuel rail kit consist of a "standard length" set for long fuel injectors, and another set for short fuel injectors (such as Pico or LS7)

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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