These are the same for all C12 engine serial numbers. They're available and ready to ship.
The C12 engine model takes 12 spacers, 16 total studs, 12 washers and 12 locknuts Products are built to OEM standards for material composition and specifications ensuring a high quality product backed by a 1 year warranty policy.
Exhaust Manifold hardware kit for Cat C12
Ground shipping is free on all shipments within the Continental US!
This product has a 1 year warranty policy