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Holley EFI LS Single Plane Split-Design Race Intake Manifolds 300-294BK
Part Number: HLY-300-294BK
Holley EFI LS Single Plane Split-Design Race Intake Manifolds
Intake Manifolds, LS Split Design EFI, Single Plane, Aluminum, Black, 4500 Dominator, Chevrolet, LS1, LS2, LS6, Kit
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Estimated Ship Date: Oct 26, 2026 Would you rather pick it up?
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Overview
Brand:
Manufacturer's Part Number:
300-294BK
Part Type:
Product Line:
Summit Racing Part Number:
HLY-300-294BK
UPC:
090127082225
Cylinder Head Configuration:
Cathedral Port LS1/LS2/LS6
Fuel Injection Style:
Multi-port
Basic Operating RPM Range:
2,500-7,000
Intake Section Included:
Complete
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:
No
Supplemental Bosses Machined:
No
Runners Included:
No
Runners Removable:
Yes
Plenum Material:
Aluminum
Plenum Finish:
Black ceramic
Base Material:
Aluminum
Base Color:
Black ceramic
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
For use with EFI 4500 dominator. Includes fuel rails. Fit applications with Cathedral Port LS1/LS2/LS6 cylinder heads only.
Holley EFI LS Single Plane Split-Design Race Intake Manifolds
Developed with performance in mind, Holley EFI LS single plane split-design race intake manifolds feature a race bred, 2-piece split design that was previously found only on the most expensive race intakes. These manifolds will fit GM LS Gen III engines with cathedral port heads for high performance/racing engine applications with 5.3 to 6.2 liter displacement and maximum engine speeds of 6,000 to 7,000 rpm, depending on the engine combination. The single-plane design provides optimal performance across the rpm spectrum, while the split feature, which allows disassembly of the intake for direct access to internal plenum and port surfaces, makes custom porting and matching a snap. Shoulder bolt locators and an O-ring seal makes reassembly simple and precise.
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