
Unveiling the Role of Heat Tabs in Engine Protection and Warranty Assurance
One of the primary reasons for the integration of Heat Tabs in engine rebuilding is to safeguard engine builders and rebuilders from unwarranted claims of engine failures.
![[450-6152-50] KIT-250 SLEEVE INSTALL](https://ib.irontite.com/eSSCWUtOiZHRHMb2lrvnMhkdQQi9CB9u9a6RSrig/450-6152-50-kit-250-sleeve-install-600x600.jpg)
Cummins “250 Series” Applications
We have received inquiries asking if we have Injector Sleeve Tooling for Cummings 855 Cylinder heads, another is 903, then there is the 1710, and more.

Cummins ISX15/QSX15 SOHC Injector Sleeve “Replacement Tips”
Changing these injector sleeves is very basic, however, a common question we receive frequently is: “What do we do with the “Ring” at the top of the inside diameter of the old sleeve”.
Why use Stainless Steel Injector Sleeves (Cups)
We just changed our tooling to accommodate the M-11 stainless steel, not knowing why they had changed to a stainless steel cup. As you know, stainless steel is considered an exotic alloy and is not as pliable as copper or brass. It's tough stuff to work with, even to cut and roll out.
Service Brief - Casting Seat Cutter
This Casting Seat Cutter is found in our Casting Repair Kit, which is required for the rebuilding of a casting seat area that has developed cracks and/or has excessive casting wear.
NAVISTAR/INTNL 7.3L POWER STROKE, 466E & 530E ENGINES INJECTOR SLEEVE REMOVAL & INSTALLATION TOOLING
Instructions for use of the Irontite Injector Sleeve Installation and removal tool kit for Navistar/International 7.3L Power Stroke and 466E and 530E Engines.
Cummins ISX15 / QSX15 Injector Casting Seat Cutter?
When changing injector sleeves on Cummins Series of engines, it's been standard practice to clean the casting seat area of the casting with a wire brush, included in our Injector Sleeve Removal & Installation Kit.

CUMMINS ISX / QSX INJECTOR CASTING REPAIR TOOLING USAGE
This is a brief "walk-through" of rebuilding the casting injector seat. If you have never done this kind of operation you should NOT use this information as your only instruction.