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Speedmaster Downdraft EFI Stack Intake Manifold - Chevy LS3 Fuel Injected

746-PCE148.1049


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Downdraft EFI Stack Intake Manifold - Chevy LS3 Fuel Injected
Downdraft EFI Stack Intake Manifold - Chevy LS3 Fuel Injected
  • Chevy LS3 Fuel Injected
  • Non-EGR
  • Idle-7000 RPM
  • Includes Intake Trumpets and Fuel Rails
  • Unassembled
  • Aluminum Casting
  • Natural Finish
  • 8-Piece Set
  • Currently unavailable.
    This product is not available, please call customer service for options, at 1-800-345-4545.

    Can this intake handle higher than 7,000 rpm’s? Looking for 7,700+

    Asked by: Ls Z28 3rd gen
    The Speedmaster 746-PCE148.1049 intake is good to 7000 rpm.
    Answered by: jshook
    Date published: 2023-09-29

    Will this efi system work on my 1985 350 GM block? I also need to purchase cylinder heads...Can I put LS heads on this block? If not, do they make a efi system with 8 trumpets that will?

    Asked by: OneSpeedracer
    The Speedmaster 746-PCE148.1049 manifold will not bolt to a 350 engine.
    Answered by: jshook
    Date published: 2023-04-13
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