Search over 60,000 products...
MANIFOLD BASE, LT1 HI-RAM N...
Get notified when this item is back in stock
Press & drag to view
Holley EFI
Product Details
🔧
Vehicle Compatibility
Fits MANIFOLD BASE, LT1 HI-RAM NO PORT INJECT - Holley Hi-Ram Lower Manifold - GM LT1.
Please refer to manufacturer specifications for complete compatibility information.
⭐
Key Features
LT1 Hi-Ram, Lower Manifold Only w/out Port EFI Provisions. Order Plenum Top Separately.
- 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
📋
Product Specifications
Basic Operating RPM Range
3500-8000+ RPM
Brand
Holley EFI
Construction
Cast
EGR Port
No
Engine
GM Gen V LT1
Fuel Injectors Included
No
Fuel Rail(s) Included
Yes
Gasket Or Seal Included
Yes
Grade Type
Performance
Intake Port Gasket(s) Included
No
Manifold Type
Hi-Ram
Nitrous Bung(s) Included
No
Part Type
Engine Intake Manifold
Product Type
Intake Manifold Base
Removable Runners
No
RPM Power Band
3500-8000+ RPM
Single Or Dual Plane Type
Single Plane
Throttle Body Included
No
Type of Component
Lower Manifold
📦
Package Contents
Kit includes all necessary components. Please refer to manufacturer specifications for detailed package contents.