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Holley EFI LS Hi-Ram Intake Manifolds 300-123BK-100K
Part Number: HLY-300123BK100K
Holley EFI LS Hi-Ram Intake Manifolds
Intake Manifold, 102mm Throttle Body, 100 lbs./hr. Injectors, EFI, LS Hi-Ram, Cathedral Port, Standard Deck, Aluminum, Black, Chevy, 4.8-6.0L, Kit
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Estimated Ship Date: Nov 5, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
300-123BK-100K
Part Type:
Product Line:
Summit Racing Part Number:
HLY-300123BK100K
UPC:
810224690990
Cylinder Head Configuration:
Cathedral Port LS1/LS2/LS6
Fuel Injection Style:
Multi-port
Basic Operating RPM Range:
Idle-8,000
Intake Section Included:
Complete
Throttle Body Bore Size:
105mm
Engine Block Deck Height:
Standard deck
Injectors Included:
Yes
Multi-Port Fuel Rails Included:
Yes
EGR:
No
Aftermarket Fuel Rail Required:
Yes
Throttle Body Included:
Yes
Supplemental Bosses Cast-In:
No
Supplemental Bosses Machined:
No
Runners Included:
Yes
Runners Removable:
No
Plenum Material:
Aluminum
Plenum Finish:
Black
Base Material:
Aluminum
Base Color:
Black
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
Kit includes 100 lb/hr injectors. Longitudinal plenum top with fuel rails machined for -8 AN O-ring fittings. Fits cathedral port heads only.
Holley EFI LS Hi-Ram Intake Manifolds
Holley EFI LS Hi-Ram intake manifolds are designed for your high performance race engine. Big cube and high-rev applications without height limitations are the intent for these manifolds. The modular design of these Holley Hi-Ram intake manifolds offers a runner length and as-cast tapered cross-section design that works for a wide range of engine configurations. The included fuel rails are machined for -8 AN O-ring fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system. Build maximum performance with EFI LS Hi-Ram intake manifolds from Holley.
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