4.7 · 3 reviews
SKU: 300-227

Hi-Ram Lower Manifold - GM LS1/LS2/LS6

$921.99
FREE delivery
Description

ABOUT THIS PRODUCT

EFI fuel rails are machined for -8AN O-ring fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system and come standard with EFI Hi-Ram kits.

Product Features:
  • Port Size - 2.49" H x 1.21" W
  • Mounting Flange Gasket Type - Standard LS3 Molded O-ring
  • Plenum Top Gasket Type - 3/32" Round O-ring Cord
  • Runner Length - 6.58" As-Cast Runner Cross-Sectional Area - Tapered 4.25 in² to 2.53 in²
  • Silver color
Specifications
Brand
Holley EFI (770)
SKU
300-227
Product type
Automotive
Guides & Resources
User Guide
Returns Policy
Shipping Information

Free shipping on all orders. Most items ship next business day after your order is placed.

Returns Policy

Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.

View full returns policy

Customer Reviews

4.7

Based on 3 reviews

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C
Chris W. Verified Buyer
07/05/2025

Highly recommend

Good experience overall from checkout to delivery.

J
Jordan L. Verified Buyer
04/15/2025

Very happy with this

Packaging was secure and the item was in perfect condition.

E
Emma S. Verified Buyer
12/14/2025

Exactly what I needed

Easy to order and arrived quickly. Product matched the listing and works great.

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