GSC Power Division Intake Valve Guides

2004–2013 Porsche 996 / 997 Turbo 3.6L / 3.8L

Part #: 3058.001-1

Overview

The GSC Power Division Intake Valve Guides are precision-engineered components designed specifically for Porsche 996 and 997 Turbo models from 1997 to 2013. These guides are essential for enthusiasts and professional rebuilders seeking to restore or enhance engine performance and reliability. Crafted to meet or exceed OEM standards, they help maintain proper valve alignment and sealing, ensuring optimal engine operation.

If you're rebuilding or maintaining your Porsche Turbo's engine, these valve guides provide a reliable solution to prevent oil consumption, reduce valve stem wear, and support consistent valve seating. Whether you're performing a routine overhaul or upgrading your engine, these guides are an excellent choice for maintaining engine integrity and performance.

Key Features

The GSC Power Division Intake Valve Guides are designed with precision and durability in mind, offering several key benefits:

• Manufactured from high-quality materials to ensure longevity and resistance to heat and wear.
• Standard style guides with a +.001 inch oversize outer diameter, providing a precise fit for applications requiring a slight bore increase.
• Total length of 1.450 inches (36.83 mm) ensures proper valve alignment and seating within the cylinder head.
• Outer diameter of 0.4157 inches (10.56 mm) and valve stem diameter of 6 mm, matching OEM specifications for seamless installation.
• Designed specifically for Porsche 996 and 997 Turbo engines, ensuring perfect compatibility and fitment.
• Engineered to support engine rebuilds, performance upgrades, or routine maintenance to restore original engine performance.
• Manufactured with strict quality control standards, backed by GSC Power Division's reputation for high-performance engine components.
• Backed by a manufacturer standard warranty, providing peace of mind for your investment.

Construction & Design

The GSC Power Division Intake Valve Guides are crafted from durable, heat-resistant materials that withstand the demanding environment of high-performance Porsche engines. Their precise machining ensures a perfect fit within the cylinder head, reducing oil leakage and preventing valve stem wear. The guides feature a standard style design with a slight oversize outer diameter (+.001 inch), which allows for a controlled bore enlargement during installation, ensuring optimal clearance and sealing.

The guides are engineered with smooth surfaces and tight tolerances to promote consistent oil control and valve operation. Their robust construction helps support high RPM operation and spirited driving, making them suitable for both stock rebuilds and performance applications. The design also facilitates easy installation and removal, reducing labor time during engine rebuilds.

Performance & Reliability

Using high-quality valve guides like those from GSC Power Division helps maintain proper valve stem alignment, which is critical for efficient combustion and engine longevity. These guides assist in reducing oil consumption and preventing valve stem wear, thereby supporting sustained engine performance over time. While they are not performance-enhancing components per se, their role in maintaining engine integrity is vital for consistent power delivery and reliability.

Installation & Fitment

The GSC Power Division Intake Valve Guides are designed as direct replacements for OEM guides in Porsche 996 and 997 Turbo engines. Installation typically involves removing the existing guides, bore enlargements if necessary, and pressing in the new guides with proper tooling. No additional modifications are usually required, and the guides are compatible with standard rebuild procedures. It is recommended to follow manufacturer instructions or consult a professional engine builder to ensure proper installation and seating.

• Designed for easy installation with standard engine rebuild tools.
• No special tuning or modifications are necessary after installation.
• Supports restoring original engine performance or preparing for high-performance upgrades.

What's Included

• One set of intake valve guides with +.001 inch oversize outer diameter
• Manufactured and tested to meet OEM specifications
• Backed by GSC Power Division's standard warranty

Ideal For

• Porsche enthusiasts restoring or rebuilding their 996 or 997 Turbo engines
• Performance tuners seeking reliable components for engine upgrades
• Professional engine rebuilders aiming for OEM-quality parts
• Owners looking to reduce oil consumption and valve stem wear

Emissions Note

This product is designed to meet or exceed OEM specifications and is suitable for use in emissions-compliant applications. Always verify local regulations and ensure proper installation to maintain vehicle emissions standards.