---
product_id: 248089468
title: "Doug Thorley Headers THY-364Y-DA-C Silver Tri-Y Header (1973-87 GM 1/2 ton Truck and SUV, 1973-91 3/4 & 1 ton Truck, 265-400 Small Block, 4WD, 1 Pack, (Carb Compliant)"
brand: "doug thorley headers"
price: "A$2793"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/248089468-doug-thorley-headers-thy-364y-da-c-silver-tri-y
store_origin: AU
region: Australia
---

# Carb compliant 14GA tubing 3/8" flanges Doug Thorley Headers THY-364Y-DA-C Silver Tri-Y Header (1973-87 GM 1/2 ton Truck and SUV, 1973-91 3/4 & 1 ton Truck, 265-400 Small Block, 4WD, 1 Pack, (Carb Compliant)

**Brand:** doug thorley headers
**Price:** A$2793
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate Your Ride with Doug Thorley Headers!

## Quick Answers

- **What is this?** Doug Thorley Headers THY-364Y-DA-C Silver Tri-Y Header (1973-87 GM 1/2 ton Truck and SUV, 1973-91 3/4 & 1 ton Truck, 265-400 Small Block, 4WD, 1 Pack, (Carb Compliant) by doug thorley headers
- **How much does it cost?** A$2793 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/248089468-doug-thorley-headers-thy-364y-da-c-silver-tri-y)

## Best For

- doug thorley headers enthusiasts

## Why This Product

- Trusted doug thorley headers brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Global Reach:** International compatibility ensures you can upgrade your vehicle anywhere.
- • **Built to Last:** Experience durability with 3/8" thick flanges that withstand the toughest conditions.
- • **Sleek & Stylish:** Silver ceramic coating enhances aesthetics while providing corrosion resistance.
- • **Easy Installation:** Complete kit includes everything you need for a hassle-free setup.
- • **Unleash Your Power:** Transform your ride with heavy-duty 14GA tubing for maximum performance.

## Overview

The Doug Thorley Headers THY-364Y-DA-C is a premium performance upgrade for 1973-87 GM 1/2 ton trucks and SUVs, featuring heavy-duty 14GA tubing and 3/8" thick flanges. This complete kit is designed for easy installation and is carb compliant, making it a reliable choice for enthusiasts looking to enhance their vehicle's performance and style.

## Description

Doug Thorley Headers THY-364Y-DA-C Silver Tri-Y Header (1973-87 GM 1/2 ton Truck and SUV, 1973-91 3/4 & 1 ton Truck, 265-400 Small Block, 4WD, 1 Pack, (Carb Compliant)

## Features

- Manufactured using heavy duty 14GA tubing and 3/8" thick flanges
- Silver ceramic coated inside and out
- Complete kit includes everything required for installation
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Doug Thorley Headers |
| Brand | Doug Thorley Headers |
| Package Dimensions | 93.98 x 40.64 x 25.4 cm; 15.88 kg |
| Item model number | THY-364Y-DA-C |
| Exterior | Ceramic Coated |
| Manufacturer part number | THY-364Y-DA-C |
| Item Weight | 15.9 kg |

## Images

![Doug Thorley Headers THY-364Y-DA-C Silver Tri-Y Header (1973-87 GM 1/2 ton Truck and SUV, 1973-91 3/4 & 1 ton Truck, 265-400 Small Block, 4WD, 1 Pack, (Carb Compliant) - Image 1](https://m.media-amazon.com/images/I/71YyfgYExEL.jpg)

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**Shop now:** [https://www.desertcart.com.au/products/248089468-doug-thorley-headers-thy-364y-da-c-silver-tri-y](https://www.desertcart.com.au/products/248089468-doug-thorley-headers-thy-364y-da-c-silver-tri-y)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-22*