Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax Up Pipe Bolt Kit

The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially selected high strength ARP fasteners and matched washers with a pack of assembly lube are designed as an upgrade to the smaller and failure prone 8mm OEM fasteners employed on the 2017 and newer 6.6L Duramax engines to connect the up pipes to the exhaust manifolds and turbocharger pedestal. During our performance development work on these engines we have seen common occurrences of the factory fasteners seizing or breaking in the manifolds or pedestal on brand new, low mile vehicles in rust free environments. This kit is a simple, cost effective upgrade for peace of mind and ease of serviceability for both stock and modified trucks.

Additional Information

Wehrli Custom Fab Up Pipe Bolt Kit, for 2017-2025 Duramax L5P

Part Type

Turbocharger Up Pipe Hardware Kit

• 12 Washers and Bolts for installing both up pipes.
• ARP Up Pipe Bolt kit for 2017+ Duramax.
• Includes ARP Assembly Lube

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Reference Information