HKS G-Cupring

Part #: 14999-AK037

Overview

The HKS 90.8mm G-Cupring is a high-quality, precision-engineered component designed for enthusiasts seeking reliable performance and durability. Crafted with meticulous attention to detail, this copper ring is intended for use in various performance applications where sealing, heat resistance, and longevity are critical. It is ideal for those looking to enhance their engine's reliability and maintain optimal performance under demanding conditions. Whether you're building a high-performance engine or performing routine maintenance, this copper ring offers a dependable solution that supports consistent operation and reduces the risk of leaks or failures. Designed for professional mechanics and dedicated DIY enthusiasts, the G-Cupring provides a robust sealing surface that withstands high temperatures and pressures. Its precise dimensions and high-quality materials ensure a secure fit and long-lasting performance, making it a valuable addition to your engine rebuild or upgrade project.

Key Features

This copper ring from HKS combines durability with functional design to meet the demands of high-performance applications. Key features include:

• Manufactured from high-grade copper for excellent thermal conductivity and corrosion resistance
• Precisely machined to 90.8mm diameter for accurate fitment
• Designed to provide a reliable seal in high-temperature engine environments
• Supports consistent compression and reduces the risk of leaks
• Resistant to deformation under thermal stress, ensuring long-term durability
• Ideal for use in turbocharged, naturally aspirated, or high-performance engines

Construction & Design

The G-Cupring is crafted from high-quality copper, selected for its superior heat transfer properties and resilience. Its precise machining ensures a perfect fit, while the smooth surface finish promotes effective sealing and minimizes wear over time. The design emphasizes durability and thermal stability, making it suitable for demanding engine conditions.

Installation & Fitment

Installation requires verifying the part's compatibility with your specific engine model and application. Proper torque and sealing procedures should be followed to ensure optimal performance. The ring is designed to fit components with a 90.8mm diameter, and fitment should be confirmed against your engine specifications.

What’s Included

The package includes one HKS G-Cupring, ready for installation in compatible engine assemblies. No additional hardware or accessories are included.

Ideal For

This copper ring is ideal for automotive enthusiasts and professional mechanics performing engine rebuilds, upgrades, or maintenance on high-performance vehicles. It supports reliable sealing and heat management, helping maintain engine integrity under extreme conditions.