- GM 1997-2007 12561663 LS Engine Block Coolant Water Brass Threaded Plug 551282
- Internal Allen head
- 28mm X 1.25 Thread size
- In stock ready to ship
- We guarantee all of our items to arrive in working condition.
- Free ground shipping to lower 48
- 100% Military discount up to $200 if shipped to military base.
- Same day shipping on all orders placed before 2PM EST