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you’re essentially pushing the axle further away from the frame at ride-height
once torqued to spec
When that's the case
delivering a 2" drop in the front and a 4" drop in the rear
performance ready look
PPE Idler Pulley 3.0" OD OEM Size 01-10 GM 6.6L Duramax LB7/LLY/LBZ/LMM XDP-XD474 you’re essentially pushing the axleNeed to replace a worn or noisy idler pulley on your Duramax? The PPE 3 Inch Idler Pulley is designed as a direct fit replacement for 01 10 GM 6. 6L Duramax applications, helping restore proper belt alignment, tension, and smooth accessory drive operation. A failing idler pulley can lead to belt squeal, premature belt wear, inconsistent tension, and even complete belt failure if left unchecked. By matching the factory 3. 0 inch outer diameter
