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Air and Fuel› Intake Manifolds and Components

Holley

BASE MANIFOLD & RAILS, LS3 LO RAM, BLACK

$863.95 $795.54 Save $68.41

SKU: H00E 300-670BK

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 300-670BK

The LS3/L92 Lo-Ram manifolds top-feed base intake manifold is designed with a low height to aid the packaging of a plenum-mounted air-to-water intercooler for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm.

Features:

  • Designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads
  • Provides best performance for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm, depending on the application
  • Dual-injector, separate-passage, high-volume fuel rails with mounting hardware, dual-fuel capable, 8 AN o-ring ports
  • Modular LS3 Lo-Ram design allows customization for user desired configurations
  • Modular design allowing the use of the included top-feed plenum entry
  • Available with both as-cast satin and black power-coat finishes
  • High volume fuel rails for eight and sixteen injector configurations. Mounting hardware included with 3/4-16 O-ring ports (8 AN)and mounting hardware included with 3/4-16 O-ring ports (8 AN)

Top-feed Single Injector manifold and fuel rails only-Black Finish

MIA's Description

This Holley LS3 Manifold is designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads. It is optimized for forced induction (supercharged or turbocharged) applications, providing peak power at 7000-8000 rpm. It features dual-injector, separate-passage, high-volume fuel rails with mounting hardware and 8 AN o-ring ports.

Fitment

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Specifications

BrandHolley
Part NumberH00E 300-670BK
Weight23.33 lb

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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