Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Air and Fuel› Intake Manifolds and Components
Holley
Holley EFI LS1 HI-RAM BLK KIT W 102MM TB 100B INJ 300-123BK-100K
SKU: H00E 300-123BK-100K
Moderate — 2–4 hours
Overview
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Holley |
| Part Number | H00E 300-123BK-100K |
Videos
Holley EFI Cast Intake Manifold Buyer’s Guide for GM LS and LT Engines
Holley Hi-ram Injector and rail install part 1
Chi-ram vs Holley Hi-Ram: Intake manifold test
7700-RPM JUNKYARD 5.3L LS INTAKE TEST. HI RAM VS LOW RAM-WHICH HOLLEY LS INTAKE MAKES THE MOST HP?
How I Installed a Holley Sniper Intake: 2002 Silverado 5.3L
Holley EFI Throttle Body Intake Elbow
LS Engine Swap Part 2 - High Performance Intake & Throttle Body Install
Sniper Dual Plenum Fabricated Intake Manifolds for LS Engines
PERFORMANCE DESIGN CARBON FIBER LID FOR HOLLEY HI-RAM, MID-RAM AND LO-RAM INTAKE MANIFOLDS
Holley Sniper Fabricated "Sheet Metal" Intake Manifolds
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Returns & Fitment
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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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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