• 2003-2008 5.7L Engines Require Adapter

Breakdown of Included Items

Dimensions

Holley 300-658 Hi-Ram EFI Intake Manifold for use with an 80 or 92 mm Mopar Style Throttle Body Features:

• Naturally aspirated, forced induction, or nitrous engines from 5.7L to 7.2L and up with peak power at 7500-8500 RPM
• For engines with large intake ports: 1.700 in. height x 1.880 in. wide
  • 2003-2008 5.7L engines require 300-652 adapters for the smaller intake ports (sold separately)
•  6.650 in. long runners and tapered cross-section work with different engine sizes and RPM range
• -8 AN o-ring EFI fuel rail fittings
• Large fuel rail passages provide high-flow and less pressure fluctuation in the fuel system
• Will work with Gen III Hemi injectors and Bosch EV-1 style injectors
• OE-quality intake manifold-to-cylinder head o-ring sealing
• Low-profile billet oil fill cap
• Positive crankcase ventilation (PCV) ports with included adapter fittings
• OE-style manifold absolute pressure (MAP) sensor port - 1 or 2 bar
• (2) 3/8 (.375) in. NPT and (1) 1/4 (.125) in. NPT vacuum ports
• Cast-in pads for adding nitrous nozzles

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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