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Holley EFI LS Single Plane Split-Design Race Intake Manifolds 300-255 Manifolds, Fuel Injected, Race, Stock/OEM Deck, 2,500-7,000 RPM, Aluminum, Natural, Chevy, Small Block, Each

Holley EFI LS Single Plane Split-Design Race Intake Manifolds 300-255 Manifolds, Fuel Injected, Race, Stock/OEM Deck, 2,500-7,000 RPM, Aluminum, Natural, Chevy, Small Block, Each

A$2,082.37
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

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.

Part Type

GM LS Intake Manifold Split Single Plane 4150

Data: v4.2 - Upd: 2026-10-14 03:44:37

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
300-255
Product Attributes - Part Type
Intake Manifolds, Fuel Injected
Product Attributes - Product Line
Holley EFI LS Single Plane Split-Design Race Intake Manifolds
Product Attributes - UPC
090127052310
Product Attributes - Cylinder Head Configuration
Cathedral Port LS1/LS2/LS6
Product Attributes - Fuel Injection Style
Multi-port
Product Attributes - Basic Operating RPM Range
2,500-7,000
Product Attributes - Intake Section Included
Complete
Product Attributes - Engine Block Deck Height
Standard deck
Product Attributes - Injectors Included
No
Product Attributes - Multi-Port Fuel Rails Included
Yes
Product Attributes - EGR
No
Product Attributes - Aftermarket Fuel Rail Required
Yes
Product Attributes - Throttle Body Included
No
Product Attributes - Supplemental Bosses Cast-In
No
Product Attributes - Supplemental Bosses Machined
No
Product Attributes - Runners Included
No
Product Attributes - Runners Removable
No
Product Attributes - Base Material
Aluminum
Product Attributes - Base Color
Natural
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Designed for 5.3L up to 6.2L LS engines with cathedral port heads.

Reference Information

Brand Name/s Holley
StreetFX SKU hly300-255
SFX Item ID 4784345
Supplier Item Code 4784345
Manufacturer SKU 300-255
Manufacturer UPC 90127052310
Alternative References HOL300-255

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