HKS Stem-Seal Set

Nissan RB26DETT 1990–2002 / 2.6L Twin-Turbo Inline-6 Engine

Part #: 22999-AN004

Overview

The HKS Stem-Seal Set for the Nissan RB26DETT is a high-quality valve stem seal kit designed to enhance the durability and performance of your engine's valvetrain. Crafted with precision and using advanced manufacturing techniques, this set ensures that your intake and exhaust valves operate smoothly and reliably over time. Whether you're building a high-performance street car, a dedicated track machine, or restoring a classic RB26DETT engine, these valve stem seals are an essential upgrade.

Engineered for enthusiasts who demand excellence, the HKS stem-seal set helps maintain optimal compression and prevents oil leakage into the combustion chamber. This results in cleaner emissions, improved engine efficiency, and consistent power delivery. With their robust construction and precise fit, these seals are built to withstand the rigors of spirited driving and high RPM operation, making them a reliable choice for both daily drivers and performance builds.

Key Features

HKS's commitment to quality is evident in this valve stem seal kit, which offers several key benefits:

• Premium Materials: Made from first-class, heat-resistant materials that endure high temperatures and aggressive engine conditions.
• Advanced Design: Engineered to precisely control the opening and closing of intake and exhaust valves, ensuring optimal valve timing and sealing.
• Durability & Longevity: Designed to provide exceptional wear resistance, supporting long-term engine reliability and reducing maintenance needs.
• Enhanced Sealing Performance: Helps prevent oil consumption and leaks, contributing to cleaner emissions and improved engine efficiency.
• Compatibility: Specifically tailored for the Nissan RB26DETT engine, ensuring a perfect fit and seamless installation.
• Performance Benefits: Supports consistent valve operation, which can contribute to improved throttle response and engine stability during high-performance driving.
• Manufacturing Precision: Utilizes the latest technologies and strict quality control to meet or exceed OEM standards.

Construction & Design

The HKS Valve Stem-Seal Set features a meticulously engineered design that combines durability with performance. Each seal is crafted from high-grade materials that resist cracking, hardening, and thermal degradation. The set is manufactured using advanced molding and finishing techniques to ensure a precise, leak-proof fit within the valve guides. The seals' design minimizes oil consumption while maintaining optimal lubrication of the valve stems, which is critical for engine longevity and smooth operation.

Installation & Fitment

The HKS Stem-Seal Set is designed as a direct replacement for the factory seals on the Nissan RB26DETT engine. Installation requires standard engine service procedures, including removing the cylinder head to access the valve stems. No special modifications or tuning are necessary, but professional installation is recommended to ensure proper seating and sealing. The set provides a straightforward upgrade that can be completed with basic engine repair tools.

• Easy bolt-on replacement for factory valve stem seals
• No cutting, drilling, or complex modifications required
• Suitable for engine rebuilds, maintenance, or performance upgrades

What's Included

• Complete set of valve stem seals for intake and exhaust valves
• Installation instructions (if applicable)

Ideal For

• Performance enthusiasts building or maintaining Nissan RB26DETT engines
• Engine rebuilds aiming for increased durability and reliability
• Street and track cars requiring high-quality valve sealing components
• Restorations of classic Nissan RB26DETT-powered vehicles