Wehrli Up Pipe Bolt Kit

Fits 2017–2024 Chevrolet Silverado 2500HD / 3500HD and GMC Sierra 2500HD / 3500HD with 6.6L Duramax Engines

Part #: WCF100199

Overview

The Wehrli Up Pipe Bolt Kit is a high-quality upgrade designed specifically for heavy-duty trucks equipped with 6.6L Duramax engines. This kit includes 12 high-strength ARP fasteners along with matched washers and assembly lube, providing a reliable solution for connecting the up pipes to the exhaust manifolds and turbocharger pedestal. Built for durability and peace of mind, this kit helps prevent common fastener failures that can occur with the OEM 8mm bolts, especially on low-mileage, rust-free vehicles. Whether your truck is stock or modified, this upgrade supports easier serviceability and long-term reliability.

Key Features

• Manufactured with high-strength ARP fasteners for enhanced durability
• Includes matched washers and assembly lube for proper installation
• Designed as a direct upgrade to the factory OEM fasteners prone to seizing or breaking
• Supports reliable connection of up pipes to exhaust components
• Suitable for both stock and modified trucks, improving serviceability
• Engineered to withstand the stresses of high-performance applications

Construction & Design

This bolt kit features specially selected ARP fasteners crafted from premium materials to ensure strength and longevity. The matched washers are designed to distribute load evenly, reducing stress on the fasteners and preventing failures. The included assembly lube facilitates proper torque application and helps prevent galling during installation, ensuring a secure and reliable connection.

Installation & Fitment

Designed specifically for 2017 through 2024 Chevrolet Silverado 2500HD / 3500HD and GMC Sierra 2500HD / 3500HD trucks equipped with 6.6L Duramax engines, this kit offers a straightforward bolt-on upgrade. Proper torque specifications should be followed during installation to ensure optimal performance and durability.

Ideal For

This upgrade is ideal for truck owners seeking to improve the reliability of their engine’s up pipe connections, especially those performing modifications or operating in environments where OEM fasteners tend to seize or break. It’s a cost-effective solution for maintaining the integrity of your vehicle’s exhaust system over time.