Ditto what Bill said. Besides, the Cummins kit is only $40 more- mine was ~$165 last summer ('03). Includes everything you need- if you are intercooled, you get a choice of about 3 or 4 injector sealing washers, plus ones for 9mm and 9mm to 7mm adaptors. You can get about 1/3 of your money back in washer sales alone. I have gaksets and o-rings I still cant place. Must be for later trucks. They fit 89-98 12v engines.
Daniel