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The Wehrli 3" high-flow Y-Bridge for Duramax LBZ/LMM engines is a two-piece bolt-together bridge assembly designed to replace the weak factory slip-in unit. Bolts to OEM intake runners and uses O-ring seals and a 3" bead-roll inlet for improved boost integrity, reducing the risk of separation under high boost. Raw finish ships ready for polishing or painting; optional powder coat upgrades are available.
Wehrli Duramax LBZ/LMM 3in. Y-Bridge (Bridge Only) - Raw Finish
