---
product_id: 140176840
title: "Remanufactured Chevy Silverado Vortec GMC Sierra Cylinder Heads PAIR LS6 LS2 Cast# 799/243 (CORE RETURN REQUIRED)"
brand: "adv cylinder heads"
price: "€ 1094.47"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/140176840-remanufactured-chevy-silverado-vortec-gmc-sierra-cylinder-heads-pair-ls6
store_origin: IE
region: Ireland
---

# Precision Valve Job New Valve Components Smooth PCD Finish Remanufactured Chevy Silverado Vortec GMC Sierra Cylinder Heads PAIR LS6 LS2 Cast# 799/243 (CORE RETURN REQUIRED)

**Brand:** adv cylinder heads
**Price:** € 1094.47
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate Your Engine Game!

## Quick Answers

- **What is this?** Remanufactured Chevy Silverado Vortec GMC Sierra Cylinder Heads PAIR LS6 LS2 Cast# 799/243 (CORE RETURN REQUIRED) by adv cylinder heads
- **How much does it cost?** € 1094.47 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/140176840-remanufactured-chevy-silverado-vortec-gmc-sierra-cylinder-heads-pair-ls6)

## Best For

- adv cylinder heads enthusiasts

## Why This Product

- Trusted adv cylinder heads brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ready to Roll:** Includes new valve stem seals and guides for a complete upgrade.
- • **Revitalize Your Ride:** Transform your Chevy Silverado or GMC Sierra with our expertly remanufactured cylinder heads.
- • **Precision Performance:** PCD milled for a flawless finish, ensuring optimal airflow and efficiency.
- • **Quality You Can Trust:** Manufactured by GM, ensuring reliability and performance.
- • **Engineered for Excellence:** Thoroughly cleaned and pressure tested for unmatched casting integrity.

## Overview

This pair of remanufactured Chevy Silverado Vortec GMC Sierra cylinder heads (Cast# 799/243) is designed for performance enthusiasts. Each head undergoes complete disassembly, thorough cleaning, and rigorous pressure testing to ensure integrity. With a precision valve job and new components, these heads promise enhanced engine efficiency and reliability.

## Description

Vehicles & Years Applicable:- GM / GMC / CHEVY 5.3 / 5.7 / 6.0 LS6 LS2 Motors- Fits years between 1996 - 2007**THIS LISTING IS FOR THE 799 OR 243 CASTINGS ONLY!**

## Features

- - Complete disassembly and thorough cleaning via hot tank & pressure tested to confirm casting integrity
- - Valve job Performed with all required angles & vacuum tested to ensure perfect compression.
- - PCD milled to ensure a super smooth finish. (PCD stands for Polycrystalline Diamond, and is best for aluminum heads).
- - New valve stem seals installed on all our heads & all valve guides are replaced with new ones as necessary.
- - New valve seats installed as necessary

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | GM / GMC / Chevy |
| Brand | ADV Cylinder Heads |
| Item Weight | 50 pounds |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 799 / 243 |

## Images

![Remanufactured Chevy Silverado Vortec GMC Sierra Cylinder Heads PAIR LS6 LS2 Cast# 799/243 (CORE RETURN REQUIRED) - Image 1](https://m.media-amazon.com/images/W/MEDIAX_792452-T1/images/I/815cj81UIcL.jpg)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-18*