Merchant Automotive Up-Pipe Bolt Kit - ARP Hardware (2017 - 2025 6.6 Liter Duramax)

Upgrade your factory hardware with the Merchant Automotive Up-Pipe Bolt Kit, featuring premium ARP bolts for unmatched strength and reliability. Designed specifically for 2017 - 2025 GM 6.6 Liter Duramax engines, this kit replaces GM Bolt 11602016 and provides a durable solution for securing the exhaust manifold to up-pipe and turbocharger to up-pipe connections.

Each kit includes three (3) ARP bolts with washers, precision-engineered for a perfect fit and superior clamping force. Four kits are required for a complete engine installation.

Built to withstand extreme heat, vibration, and exhaust pressure, these ARP fasteners deliver lasting performance and peace of mind - whether you're towing, racing, or running your Duramax hard every day.

Features:

• High-strength ARP bolts with matching washers
• Direct replacement for GM 11602016
• Fits 2017 - 2025 6.6 Liter Duramax (L5P, L5D)
• Secures exhaust manifold to up-pipe and turbo to up-pipe
• Sold as a set of 3 bolts with washers (4 sets needed per engine)
• Corrosion-resistant and built for high-temperature durability

Details:

• Engine Manufacturer: Duramax
• Liter: 6.6 Liter
• Engine Designation: L5P
• Engine Years: 2017-2025

Applications:

• 2017-2025 Silverado/Sierra 2500HD/3500HD L5P