Description
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
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