Description
Secondary Upper Row Head Bolt for 2011-2016 6.6L Duramax
GM # 98065558
Genuine OEM Bolt for the upper cylinder head assembly on 2011-2016 6.6L V8 Turbo Diesel Duramax engines. This OEM bolt ensures precise factory clamping force, no thread stripping, and seal integrity at high temperatures and pressures. These bolts are torque to yield (TTY) and are recommended for replacement anytime they are removed.
- GM Direct Replacement Bolt
- T40 Torx Drive Head
- 96mm Length, M8, Partially Threaded
- 1.25 Thread Pitch
- 8 bolts required for a complete repair (4 per head)