PPE DMAX 01-16 116121500 UP-PIPE BOLT SET

The PPE 116121500 Up-Pipe Bolt Set are a superior quality replacement for the rusty or broken up-pipe bolts in your 2001-2016 GM 6.6L Duramax. This bolt kit has an OE design with washers with the thread length increased to accommodate the thickness of the washers. Two of bolts in this kit are 5 mm longer to accommodate the downpipe mounting bracket. This up-pipe bolt kit is engineered to preserves thread engagement whereas other manufactures do not. These Class 12.9 bolts feature alloy steel construction with a black oxide finish and 12-point heads.

• OEM Design With Washers
• Preserves Thread Engagement
• Thread Length Increased To Accommodate Washer Thickness
• Two Screws Are 5 Mm Longer To Accommodate Downpipe Mounting Bracket