HKS SMG/K Gasket

Applicable to 1JZ-GTE Engines, 1991–2005 Toyota Supra, Chaser, Mark II, Soarer

Part #: 2301-RT037

Overview

The HKS 1.6mm SMG/K gasket is a high-performance sealing solution designed specifically for 1JZ-GTE engines. Engineered to withstand the rigors of spirited driving and high-performance applications, this gasket ensures a reliable seal between the cylinder head and the engine block. Whether you're building a turbocharged setup or restoring a stock engine, this gasket helps maintain optimal compression and prevents leaks that can compromise engine performance.

Designed for enthusiasts who demand durability and consistency, the HKS SMG/K gasket is ideal for both daily drivers and race applications. Its precise construction and material composition help support increased horsepower and torque, making it a trusted choice for those pushing their 1JZ-GTE engines to the limit.

Key Features

The HKS SMG/K gasket incorporates advanced materials and design features to deliver superior sealing performance and longevity. Key features include:

• High-quality, multi-layer steel construction with a 1.6mm thickness for enhanced durability and sealing integrity under high pressure.
• Engineered to maintain uniform contact surface pressure despite the dynamic forces of combustion and vibration, ensuring a tight seal over time.
• Designed to accommodate the thermal expansion and contraction of engine components, reducing the risk of gasket failure during operation.
• Precision-cut to OEM specifications for perfect fitment on 1JZ-GTE engines, ensuring ease of installation and reliable sealing.
• Resistant to oil, coolant, and combustion gases, maintaining integrity in demanding conditions.
• Suitable for high-performance builds, including turbocharged and modified engines, where sealing reliability is critical.
• Contributes to improved engine compression, efficiency, and overall performance by preventing leaks and maintaining proper sealing pressure.
• Manufactured by HKS, a renowned leader in performance automotive parts, ensuring quality and consistency.

Construction & Design

The HKS 1.6mm SMG/K gasket is constructed from multi-layer steel (MLS), a material known for its strength, flexibility, and resistance to high temperatures and pressures. The MLS design allows for a more reliable seal compared to traditional composite gaskets, especially in high-stress applications. The gasket's precise machining ensures a perfect fit, reducing the risk of blowouts or leaks during intense driving conditions.

The 1.6mm thickness strikes a balance between sealing capability and minimal compression loss, making it suitable for a wide range of performance modifications. Its design accounts for the thermal expansion of the engine components, maintaining consistent contact pressure even under extreme conditions. The gasket's surface is treated to resist corrosion and degradation, extending its service life and ensuring consistent performance over time.

Installation & Fitment

The HKS SMG/K gasket is a direct replacement for the factory gasket on 1JZ-GTE engines. Its OEM-like dimensions and precision machining facilitate straightforward installation, making it suitable for both professional mechanics and experienced DIY enthusiasts. No special modifications are required, and it is recommended to replace the gasket whenever the cylinder head is removed or during engine rebuilds to ensure a proper seal.

Proper cleaning of the mating surfaces and following torque specifications during installation will maximize sealing performance and longevity. As a high-quality aftermarket part, it is designed to fit seamlessly with OEM components, providing a reliable seal for high-performance applications.

What's Included

• HKS 1.6mm SMG/K Gasket for 1JZ-GTE engines

Ideal For

• High-performance street builds
• Turbocharged engine setups
• Engine rebuilds and restorations
• Enthusiasts seeking reliable sealing under demanding conditions