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Instruction Sheets for Part Number HLY-300-236
Holley EFI LT1 Gen V Hi-Ram Intake Manifolds 300-236
Part Number: HLY-300-236
Holley EFI LT1 Gen V Hi-Ram Intake Manifolds
Intake Manifolds, EFI LT1, Gen V, Hi-Ram, Multi-port, Base Only, 3,500-8,000 RPM Range, Standard Deck, Aluminum, Satin Finish, Chevy, 6.2L, Each
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Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
300-236
Part Type:
Product Line:
Summit Racing Part Number:
HLY-300-236
UPC:
090127730591
Cylinder Head Configuration:
Stock
Fuel Injection Style:
Multi-port/Direct injection
Basic Operating RPM Range:
3,500-8,000
Intake Section Included:
Base only
Engine Block Deck Height:
Standard deck
Injectors Included:
No
Multi-Port Fuel Rails Included:
Yes
EGR:
No
Aftermarket Fuel Rail Required:
Yes
Throttle Body Included:
No
Supplemental Bosses Cast-In:
Yes
Supplemental Bosses Machined:
Yes
Supplemental Boss Quantity:
Eight
Runners Included:
Yes
Runners Removable:
No
Base Material:
Aluminum
Base Color:
Natural
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
The fuel rails and the ports on this manifold are designed to accept Bosch-style EV-1 or GM LS7 fuel injectors.
Holley EFI LT1 Gen V Hi-Ram Intake Manifolds
Holley EFI LT1 Gen V Hi-Ram intake manifolds provide the ultimate performance with GM direct-injected Gen V 6.2L LT1 engines. The modular design 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 and cross-sectional area to perform in a wide variety of engine configurations. When you look for the pinnacle of performance, price, and quality, look to Holley Hi-Ram intake manifolds for your LT1 application.
Features include:
* Available with injector bosses on the intake runners that provide increased performance potential by using additional injectors and the factory direct injection
* Removable top
* Large plenum volume
* Intakes with injector ports include fuel rails with dual mounting
* Fuel rails are anodized, laser-etched, and machined for -8 AN O-ring fittings at each end
* Rear of plenum machined for MAP sensor and three vacuum ports
* Head flange has clearance for fuel supply to a 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 and plenum top
* Easy assembly with top-mounted screws on plenum top (except front two screws)
* Several top options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or blank flange for custom throttle bodies
* 3,500 to 8,000-plus rpm power band
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