HKS Stopper Head Gasket

Part #: 2301-RM006

Overview

The HKS 1.2mm Stopper Head Gasket is a high-performance replacement component designed for enthusiasts seeking reliable sealing and durability in their 4G63 turbocharged engines. Crafted with precision to meet the demands of high-performance applications, this gasket ensures optimal compression and heat resistance, supporting the engine’s longevity and consistent power delivery. It is ideal for those building or rebuilding Mitsubishi 4G63 engines, whether for street use, track days, or competitive racing. The gasket’s robust construction helps maintain proper cylinder sealing under high boost and elevated temperatures, contributing to improved engine response and reliability.

Key Features

This gasket features a carefully engineered design with high-quality materials to withstand the rigors of forced induction. Its 1.2mm thickness provides a balance between sealing performance and heat dissipation, helping to prevent leaks and maintain compression. The gasket’s precision-machined bore of 86mm ensures a perfect fit for compatible 4G63 engines, supporting consistent combustion and power output. Designed with durability in mind, it resists warping and blowouts, even under demanding conditions. The gasket’s construction promotes reliable sealing and helps protect engine components from damage caused by combustion gases and coolant leaks.

Construction & Design

The HKS Stopper Head Gasket is manufactured from high-grade materials that combine strength and thermal stability. Its design incorporates a reinforced sealing surface to enhance durability and prevent leaks during high-performance operation. The gasket’s precise machining ensures a uniform bore and sealing surface, facilitating easy installation and a secure fit.

Performance & Driving Experience

This gasket helps support consistent engine compression, which is essential for optimal response and power delivery. By maintaining a reliable seal under high boost pressures, it contributes to improved throttle response and engine stability. Its heat-resistant properties assist in managing elevated temperatures, reducing the risk of gasket failure and ensuring long-term performance.

Installation & Fitment

Installation should be performed with proper torque specifications and surface preparation to ensure optimal sealing. Verify fitment against your specific vehicle and engine configuration to confirm compatibility with Mitsubishi 4G63 turbocharged engines.

What’s Included

The package includes the HKS 1.2mm Stopper Head Gasket designed for 86mm bore applications, ready for installation in compatible engines.