1999 - 2011 CUMMINS ISX VALVE ROCKER ARM SHAFT ABOVE 500 HP CYLINDER 1-6 - 9433
3683318 / 4059306 / 4059304 / 3679427
*** 1 YEAR WARRANTY, UNLIMITED MILES. Any other questions, please call us! Be sure to check out the rest of our store. We have a huge selection of discounted new and used truck parts. *** Normal Business hours are Monday - Friday 8:30 AM to 4:30 PM CST ***