SKU: 85238520652

Holley LS Hi-Ram EFI Manifold- Black - 300-125BK

Sale price$607.48 Regular price$674.98
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

Holley LS Hi-Ram EFI Manifold- Black - 300-125BKOverview: 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 Black
Construction Cast
Emission Code 3
Engine GM LS7
Finish Black
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:
  1. Standard Shipping : 3-10 business days
  • 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: 85238520652

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MoeCandi
Waukegan, US
★★★★★ 5
She loves them!
These are perfect for my teething puppy! She likes to play with a couple of them more than the others, but they are very durable and cute.. the strings on stuff she already untied and played with those as well. Good purchase, I think these will last a long time!
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Reviewed in the United States on September 1, 2024
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Penelope Hodge
Birmingham, US
★★★★★ 5
Very impressed with this product.
This is perfect! For tiny teether's. The value is perfect, it's safety is good., The toy quality is well made. Just perfect for smaller puppies.
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Reviewed in the United States on August 7, 2025
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Devon C.
Draper, US
★★★★★ 4
Perfect
Our puppy is teething, and these are so helpful during this time for her! The only issue are the fabric strips come off, and we have to throw them away so she dont try to eat them!!
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Reviewed in the United States on September 16, 2023
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Scottish Kathleen
Lowell, US
★★★★★ 5
Your puppy will love these!
My little dog Loves these! Excellent quality. GREAT BUY!
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Reviewed in the United States on November 14, 2025
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Verified Purchase
Stephanie Jenkins
Belleville, US
★★★★★ 3
Not safe
The toys with fabric aren’t puppy proof. My puppy has been biting chunks off.
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Reviewed in the United States on June 29, 2025

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