2001-2016 Duramax Up-Pipe Bolt Set (116121500)

Description

Fits

Year	Make	Model	Engine
2001-2016	GMC/Chevrolet	HD	6.6L Duramax

Increased thread length to accommodate washer thickness, longer screws to accommodate the downpipe mounting bracket.

Part Number: 116121500

Features

• OEM design with washers
• Steel 12-point screws in black oxide finish, class 12.9
• Thread length increased to accommodate washer thickness
• Two screws are 5 mm longer to accommodate downpipe mounting bracket
• Design preserves thread engagement
• (10) M10 x 1.5 x 32 bolt and washer
• (12) M10 washers
• (2) M10 x 1.5 x 37 bolt and washer