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Air and Fuel› Intake Manifolds and Components

Holley

Holley EFI LT HI-RAM NAT KIT W 102MM TB 42LB INJ 300-140-42K

$2,144.95 $1,949.95 Save $195.00

SKU: H00E 300-140-42K

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Description

The Holley 300-140 is an aluminum Hi-Ram intake manifold designed for GM direct injected Gen V 6.2L LT1 engines. It features a modular design with a removable top, allowing for custom porting and various induction systems. The runners are designed with a large radius and optimized taper for a wide range of engine configurations. This manifold has a plenum volume of 549 cubic inches and supports a 3,500-8,000 RPM power band, with optional injector bosses for additional injectors and fuel rails.

Fitment

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Specifications

BrandHolley
Part NumberH00E 300-140-42K

Buy with Confidence

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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