SKU: 93524938577

Holley Hi-Ram Lower Manifold - GM LT1 - 300-236

Sale price$449.98 Regular price$499.98
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

Holley Hi-Ram Lower Manifold - GM LT1 - 300-236Overview: The new Holley EFI Hi Ram intake provides the ultimate performance with the new GM direct injected Gen V 6. 2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. Each runner has a large radius where it meets the plenum, and optimized taper & cross sectional area to perform in a wide variety of engine configurations. The optional injector bosses on the intake

Overview:

The new Holley EFI Hi-Ram intake provides the ultimate performance with the new GM direct-injected Gen V 6.2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. Each runner has a large radius where it meets the plenum, and optimized taper & cross-sectional area to perform in a wide variety of engine configurations. The optional injector bosses on the intake runners allow increased performance potential by using additional injectors along with the factory direct injection. When you look for the pinnacle of performance, price, and quality, look to Holley EFI.

Features:

  • Modular Design w/ Removable Top
  • Overall Height: 13.34” (w/ EFI Top - 95mm or 105mm) – See Drawing
  • A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing
  • Height at Plenum Flange: 9.44”
  • Port Size: 2.06” High x 1.53” Wide
  • Runner Length: Approx. 6.5”
  • Large Plenum Volume of 549 Cubic Inches (w/ 1 x 95mm or 1 x 105mm Throttle Body Top)
  • Available With or Without Injector Ports in the Runners
  • Intakes w/ Injector Ports Include Fuel Rails w/ Dual Mounting (1.48” or 2.56” O-ring to O-ring injector length)
  • Fuel Rails are Anodized, Laser Etched, and Machined for 8AN O-Ring Fittings at Each End
  • Rear of Plenum Machined for MAP & 3 Vacuum Ports
  • Head Flange has Clearance for Fuel Supply to High Pressure Pump
  • Increased Runner Wall Thickness for Custom Porting at the Plenum to Runner Entry on Each Runner
  • O-Ring Seals at Cylinder Heads & Plenum Top
  • Easy Assembly w/ Top Mounted Screws on Plenum Top (all except front 2 screws)
  • Several Top Options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or Blank Flange for Custom Throttle Bodies
  • 3500-8000+ RPM Power Band

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Brand Holley EFI
Construction Cast
Emission Code 3
Engine GM Gen V LT1
Finish Satin
Manifold Type Hi-Ram
Product Type Intake Manifold
RPM Power Band 3500-8000+
Type of Component Lower Manifold
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: 93524938577

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4.3 ★★★★★
Based on 14 reviews
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Product Reviews
M
Verified Purchase
ML Pearson
Battle Creek, US
★★★★★ 5
Not for strong chewers!
Color: Large size (7.9")
I have an English Springer Spaniel who is 1.5 yrs. She had this torn apart within the first 5 minutes. This is not for strong chewers!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2026
G
Verified Purchase
Gail A
Los Angeles, US
★★★★★ 5
Durable and fun
Color: Large size (7.9")
Pup loves this toy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
P
Verified Purchase
pat
Lake Worth, US
★★★★★ 3
Great idea poor construction
Color: Large size (7.9"), Color: Large size (7.9")
Great for a dog that likes tug and fetch but the seams are not strong so it ripped fast not from tug but my dogs teeth. I sewed it once since we loved playing with it but it didnt last. Other seams opened. The seams opened in the ball part not by the handles. Less seams and stronger ones would make it 5 star. Im trying a different brand.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
C
Verified Purchase
Craig
Bozeman, US
★★★★★ 5
Perfect Dog Toy and hard to find
Color: Large size (7.9")
Hard to find toy. My dogs favorite toy and this is a really good price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
D
Verified Purchase
Dawn Christine Davault
West Palm Beach, US
★★★★★ 1
Not strong. Didn't last
Color: Large size (7.9")
Was ripped apart very quickly. Not strong. Would not buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026

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