These are the same for all C12 engine serial numbers. They're available and ready to ship.
The C12 engine model takes 6 exhaust lifters and 6 intake lifters. Products are built to OEM standards for material composition and specifications ensuring a high quality product backed by a 1 year warranty policy.
Intake or exhuast valve Cam follower for Cat C12 Part #2511005
Ground shipping is free on all shipments within the Continental US
This product comes with a 1 year warranty policy