Description
2001-2016 Duramax PPE Up Pipe Bolt Set (116121500)
OEM design with washers. Thread length increased to accommodate washer thickness. Two screws are 5 mm longer to accommodate the downpipe mounting bracket. Our design preserves thread engagement whereas other companies do not.
All 12 screws will be alloy steel 12-point screws in black oxide finish, class 12.9.
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