---
product_id: 21940366
title: "LS Rectangle Port Intake Manifold Weld Flanges LS3"
brand: "ict billet"
price: "$493.74"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/21940366-ls-rectangle-port-intake-manifold-weld-flanges-ls3
store_origin: EC
region: Ecuador
---

# Includes 8 precision O-ring seals 1/2" thick 6061-T6 billet aluminum Proudly USA manufactured LS Rectangle Port Intake Manifold Weld Flanges LS3

**Brand:** ict billet
**Price:** $493.74
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your LS3 intake game with precision and power!

## Quick Answers

- **What is this?** LS Rectangle Port Intake Manifold Weld Flanges LS3 by ict billet
- **How much does it cost?** $493.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/21940366-ls-rectangle-port-intake-manifold-weld-flanges-ls3)

## Best For

- ict billet enthusiasts

## Why This Product

- Trusted ict billet brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Complete Seal Kit Included:** Comes with two flange plates and eight O-ring seals for a leak-proof, hassle-free installation.
- • **Lightweight Yet Robust Design:** At just 3.7 pounds, it balances durability with weight savings to enhance engine responsiveness.
- • **Made in the USA with Precision:** Manufactured domestically to guarantee top-tier quality and support American craftsmanship.
- • **Durable 1/2" Thick 6061-T6 Billet Aluminum:** Crafted from premium billet aluminum for unmatched strength and heat resistance under extreme conditions.
- • **Precision Fit for Most Rectangle Port Heads:** Engineered to seamlessly match most rectangle port heads, excluding LS7 raised port styles, ensuring optimal performance.

## Overview

The LS Rectangle Port Intake Manifold Weld Flanges by ICT Billet are precision-engineered, 1/2" thick 6061-T6 billet aluminum flanges designed for most rectangle port heads (excluding LS7 raised ports). Each set includes two flange plates and eight O-ring seals, ensuring a secure, leak-free fit. Weighing only 3.7 pounds and proudly made in the USA, these flanges deliver durability and performance for serious LS3 enthusiasts.

## Features

- Suitable for: Most Rectangle Port Heads, excluding LS7 style with raised port
- Included: Two flanges plates with eight O-ring seals
- Manufactured in the USA using 1/2" thick 6061-T6 Billet Aluminum

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B016AIZW26 |
| Best Sellers Rank | #3,456,249 in Automotive (See Top 100 in Automotive) #3,035 in Automotive Replacement Engine Intake Manifolds |
| Brand | ICT Billet |
| Customer Reviews | 5.0 5.0 out of 5 stars (3) 5.0 out of 5 stars |
| Date First Available | October 7, 2015 |
| Exterior | Aluminum |
| Item Weight | 3.7 pounds |
| Manufacturer | ICT Billet |
| Manufacturer Part Number | 656729843154 |
| Oem Part Number | 551315 |
| Product Dimensions | 17.1 x 4 x 0.9 inches |

## Images

![LS Rectangle Port Intake Manifold Weld Flanges LS3 - Image 1](https://m.media-amazon.com/images/I/61HCq2N-F2L.jpg)
![LS Rectangle Port Intake Manifold Weld Flanges LS3 - Image 2](https://m.media-amazon.com/images/I/617JZdzcF0L.jpg)
![LS Rectangle Port Intake Manifold Weld Flanges LS3 - Image 3](https://m.media-amazon.com/images/I/61wDl1HjBkL.jpg)
![LS Rectangle Port Intake Manifold Weld Flanges LS3 - Image 4](https://m.media-amazon.com/images/I/615ffoitFTL.jpg)

## Frequently Bought Together

- ICT Billet LS Rectangle Port Custom Intake Manifold Weld Flanges Cylinder Head LS3 L92 LSX 551315
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**Shop now:** [https://www.desertcart.ec/products/21940366-ls-rectangle-port-intake-manifold-weld-flanges-ls3](https://www.desertcart.ec/products/21940366-ls-rectangle-port-intake-manifold-weld-flanges-ls3)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-07-28*