SKU: 34045364280

Holley LS Hi-Ram EFI Manifold - 300-125

Sale price$607.48 Regular price$674.98
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Description

Holley LS Hi-Ram EFI Manifold - 300-125Overview: The Holley GM LS7 Modular Hi Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet metal for high performance applications where induction system height is not limited. Coupling this Hi Ram intake with the high flowing LS7 style cylinder heads has outstanding potential for N A and forced induction applications at a budget minded cost. Aggressive, bold, race bred styling will make bad intentions clear for drag

Overview:

The Holley GM LS7 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flowing LS7 style cylinder heads has outstanding potential for N/A and forced induction applications at a budget-minded cost. Aggressive, bold, race-bred styling will make bad intentions clear for drag race, muscle car, marine, off-road, sandrails, pulling trucks, track, street-rod applications and more!  The base is designed to be modular in configuration to accept a wide range of carbureted and EFI tops and to be attractive to builders and fabricators as the foundation for custom induction systems.  Runner length and the tapered cross-section designed to perform well for a wide range of engine configurations  EFI fuel rails are machined for -8AN O-ring Fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system and come standard with EFI Hi-Ram kits.  Cast aluminum construction.  Intended for use on N/A or forced induction engines in the 6.0 to 7.0+ liter range, max power at 7000-8000+RPM.

Features:

  • Base Plenum Top Mounting Flange Height – 8.42” to the lifter valley cover flange on engine block.
  • Total Height with 92/105mm EFI Plenum Top – 12.32” to the lifter valley cover flange on engine block.
  • Port Size – 2.49” Height x 1.21” Wide
  • Mounting Flange Gasket Type – Standard LS3 Molded O-Ring
  • Plenum Top Gasket Type – 3/32” Round O-ring Cord
  • Throttle Body Flange Location, with 92/102mm EFI Plenum Top : Height – 8.42” (from engine block lifter valley cover flange), Longitudinal Location – 3.84” (forward from engine block front flange), Angle – 25 deg. (down from vertical)
  • Runner Length – 6.29”, As-Cast Runner Cross-Sectional Area – Tapered 4.67 in² to 2.84 in²

 

Application:

Year Make Model Submodel Engine Size
Universal

 

Specs:

Brand Holley EFI
Color Aluminum
Construction Cast
Emission Code 3
Engine GM LS7
Finish Satin
Flange Style EFI
Front Height 12.32 inch
Fuel System Type EFI
Manifold Type Hi-Ram
Product Type Manifold
Rear Height 11.00 inch
RPM Power Band 1500-7000
Warranty Limited 90 Day
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 34045364280

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Bozeman, US
★★★★★ 5
Very cute! My dog loves it!
You cannot beat the price of this donut dog toy and it includes two of them! I opened these up and my dog wanted to play with it right away. They are smallish, probably about the size of a regular donut. It might look a little small compared to my dog but he is 125lbs. These little donuts even have squeakers in them. Is your dog going to be able to rip these apart… yes. I never expected him to not be able to rip these up. My dog first likes to give it nib nibs and then he will eventually rip it up. You will not find a better dog toy for the price that these are selling for on Amazon. Plus it is adorable seeing your dog walking around with a donut in his mouth!
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Reviewed in the United States on October 12, 2025
C
Verified Purchase
Casie Kempke
Lowell, US
★★★★★ 5
The indestructible sharkie
High and low have I searched when quite by accident I just happened upon the indestructible sharkie. We are fast approaching the 24 hour mark and sharkie is still with us. He has thus far resisted the incredibly strong, outrageously aggressive and persistent chewing of my Bernese mountain dog. Most don’t make it 20 min, so a whole day?!? Miracle!!! Not in love with the incessant squeaking that has followed me, but then again… that’s because this is actually not simply a review but a love story between a dog and his shark toy. Where others have failed, this one has endured. My water fearing dog has an obsession with shark shaped toys so while it would be nice to see a different character, truth is… I’ll be buying more sharkies. A lot of sharkies. Yard sharkie. Work sharkie. Maybe not house sharkie… but you get the point.
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Reviewed in the United States on July 8, 2023
J
Verified Purchase
Jocelyn S
Cuba, US
★★★★★ 5
Great for tough chewers
I have purchased this twice! My dog absolutely loves it! He is a pit-bull Shepard mix and an extremely tough chewer. The first toy lasted almost a year of him chewing on it daily
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Reviewed in the United States on August 2, 2025
R
Verified Purchase
Rev.Bubba.Colbaugh
Pawtucket, US
★★★★★ 4
my aggressive chewer had this in 4 pieces in 5 minutes
my labrador loved this toy so much, too much. it's now in the trash after 8min flat. had it in 4 pieces in 5 minutes. thanks for trying. don't know why i bother. big rope toys last the longest.
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Reviewed in the United States on October 4, 2022
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Leo
Houston, US
★★★★★ 5
Cumple con la expectativa
Excelente producto, bueno para perritos mordedores compulsivos
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Reviewed in the United States on May 15, 2026

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