Air and Fuel› Intake Manifolds and Components
Holley
GM LS Intake Manifold Split Design LS1/LS2/LS6
SKU: H00E 300-256
Advanced — 4+ hours
Description
Part #: 300-256
The new Holley Single-Plane Race intake manifold were designed with performance in mind. They feature a race bred, two piece split feature that was previously only found on the most expensive race intakes. The manifold will fit GM LS Gen III engines with cathedral port heads and are intended for 4150 style square bore flanged carburetors or throttle body EFI.
Features:
- Maximum performance race design with hood clearance consideration
- Lighter than other split race intakes
- Split feature making porting efforts easy!
- 33 to 50% the price of other split race intakes
- Captured O-ring seals at head ports and split
- Vacuum Port options include (2) 1/8, (1) 1/4, and (1) 3/8, NPT ports at the carb flange
Carbureted single plane split-design race intake manifold. Fits all GM LS Gen III or IV engines equipped with LS1/LS2/LS6 style cathedral port cylinder heads
Fitment
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Specifications
| Brand | Holley |
| Part Number | H00E 300-256 |
| Weight | 17.75 lb |
Videos
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Holley Split-Design Single Plane Intake Manifold - GM LS1/LS2/LS6
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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