PPE Up-Pipe Bolt Set 116121500 | 2001–2016 Duramax 6.6L LB7,LLY,LBZ,LMM,LML

PPE 116121500 Up-Pipe Bolt Set

The PPE Up-Pipe Bolt Set is a superior quality replacement for the rusty or broken bolts in your 2001–2016 GM 6.6L Duramax. Built to OE design standards, this kit ensures proper fitment and long-lasting durability. Each bolt includes washers, and PPE engineered the thread length to accommodate washer thickness while preserving full thread engagement. Two bolts are 5 mm longer to properly fit the downpipe mounting bracket.

Features:

• OEM design with washers for proper fit
• Thread length increased to accommodate washer thickness
• Two bolts are 5 mm longer for downpipe mounting bracket
• Preserves thread engagement for durability
• Class 12.9 alloy steel construction with black oxide finish
• 12-point head design