---
product_id: 76223696
title: "BTR Brian Tooley Racing MLS LS9 Head Gasket Pair - 4.100\" Bore - Replaces GM Part #12622033 - Multi-Layer Steel for Turbo, Supercharged & Performance LS Builds"
brand: "btr brian tooley racing"
price: "€ 254.87"
currency: EUR
in_stock: true
reviews_count: 9
category: "Michigan Motorsports"
url: https://www.desertcart.fr/products/76223696-btr-brian-tooley-racing-mls-ls9-head-gasket-pair-4
store_origin: FR
region: France
---

# Handles extreme boost pressures Precision 4.100” bore fitment Durable multi-layer steel construction BTR Brian Tooley Racing MLS LS9 Head Gasket Pair - 4.100" Bore - Replaces GM Part #12622033 - Multi-Layer Steel for Turbo, Supercharged & Performance LS Builds

**Brand:** btr brian tooley racing
**Price:** € 254.87
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal the deal with BTR – where power meets precision!

## Quick Answers

- **What is this?** BTR Brian Tooley Racing MLS LS9 Head Gasket Pair - 4.100" Bore - Replaces GM Part #12622033 - Multi-Layer Steel for Turbo, Supercharged & Performance LS Builds by btr brian tooley racing
- **How much does it cost?** € 254.87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/76223696-btr-brian-tooley-racing-mls-ls9-head-gasket-pair-4)

## Best For

- btr brian tooley racing enthusiasts

## Why This Product

- Trusted btr brian tooley racing brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted by Pros:** Favored by engine builders and racers running 20+ lbs boost who demand leak-free, race-proven sealing.
- • **OEM-Level Fitment:** Direct drop-in replacement for GM #12622033, guaranteeing hassle-free installation and factory-grade performance.
- • **Ultimate Durability:** Multi-layer steel with proprietary coatings delivers unmatched heat resistance and long-term reliability.
- • **Race-Ready Boost Handling:** Engineered for turbo, supercharged & nitrous LS builds pushing high cylinder pressures without fail.
- • **Precision Bore Compatibility:** Perfect 4.100” bore size ensures flawless sealing for strokers and forged rotating assemblies.

## Overview

The BTR Brian Tooley Racing MLS LS9 Head Gasket Pair is a high-performance, multi-layer steel gasket set designed for 4.100” bore LS engines. Built to withstand extreme boost pressures in turbocharged, supercharged, and nitrous applications, it offers OEM-level fitment as a direct replacement for GM part #12622033. Trusted by professional engine builders, these gaskets combine advanced coatings and durable construction to ensure leak-free operation and long-term reliability in demanding performance builds.

## Description

The BTR LS9 MLS Cylinder Head Gasket Pair is the ultimate sealing solution for high-boost LS builds, featuring a 4.100” bore and engineered to match the legendary reliability of GM’s LS9 head gasket—originally designed for the supercharged ZR1 Corvette. Sold as a matched pair, these gaskets are ideal for turbocharged, supercharged, nitrous, and high-compression applications. Whether you're building a boosted 6.0L, a 6.2L stroker, or an all-out drag setup, BTR's MLS gaskets provide race-ready performance with OEM-level fitment. The multi-layer stainless steel construction with advanced coatings ensures leak-free operation, even under extreme pressure and thermal cycles. Compatible with factory and aftermarket aluminum heads, these gaskets are trusted by engine builders and racers who need reliability under fire.

Review: Perfect fit! - Quality part from BTR!
Review: Great quality - These are my go to, I run 20lbs boost and never had a problem with btr gaskets. Btr has proven to be a trusted brand for me

## Features

- High-Performance MLS Head Gasket Pair – Includes two (2) BTR LS9 multi-layer steel gaskets, built to handle high cylinder pressures in turbo, supercharged, and nitrous LS engines.
- 4.100” Bore Compatibility – Ideal for strokers, forged rotating assemblies, and large bore builds, delivering precise sealing and optimal combustion chamber integrity.
- Built for Boost – Based on the proven GM LS9 design, these gaskets are perfect for forced induction applications where traditional head gaskets may fail under pressure.
- Multi-Layer Steel Construction – Features a durable MLS design with proprietary coatings for exceptional head sealing, heat resistance, and long-term durability.
- Replaces GM 12622033 – Drop-in replacement for factory LS9-style gaskets with enhanced sealing properties for performance and racing engines.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B077H61PNP |
| Best Sellers Rank | #134,921 in Automotive ( See Top 100 in Automotive ) #29 in Automotive Replacement Head Gaskets |
| Date First Available | November 15, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.75 pounds |
| Item model number | BTR22033 |
| Manufacturer | BTR Brian Tooley Racing |
| Package Dimensions | 21 x 10 x 1 inches |

## Product Details

- **Brand:** BTR Brian Tooley Racing
- **Color:** Multicolor
- **Item Thickness:** 0.06 Inches
- **Manufacturer:** BTR Brian Tooley Racing
- **Material:** Alloy Steel

## Images

![BTR Brian Tooley Racing MLS LS9 Head Gasket Pair - 4.100" Bore - Replaces GM Part #12622033 - Multi-Layer Steel for Turbo, Supercharged & Performance LS Builds - Image 1](https://m.media-amazon.com/images/I/714jgnXzjDL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect fit!
*by J***7 on August 6, 2025*

Quality part from BTR!

### ⭐⭐⭐⭐⭐ Great quality
*by T***S on February 19, 2025*

These are my go to, I run 20lbs boost and never had a problem with btr gaskets. Btr has proven to be a trusted brand for me

### ⭐⭐⭐⭐⭐ Mega quality
*by C***. on December 6, 2022*

These babies are pretty. I believe these are about as nice as head gaskets comes.

## Frequently Bought Together

- BTR Brian Tooley Racing MLS LS9 Head Gasket Pair - 4.100" Bore - Replaces GM Part #12622033 - Multi-Layer Steel for Turbo, Supercharged & Performance LS Builds
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**Shop now:** [https://www.desertcart.fr/products/76223696-btr-brian-tooley-racing-mls-ls9-head-gasket-pair-4](https://www.desertcart.fr/products/76223696-btr-brian-tooley-racing-mls-ls9-head-gasket-pair-4)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-03-13*