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Message: [QUOTE="Morgan@Midwest Diesel & Auto, post: 607169, member: 8143"] The piston itself will be fine. The factory pistons have steel inserts for the compression ring to seat in. These being made from billet have no way to have steel ring-lands. Cast pistons have the steel ring-land in the mold when the aluminum is poured in. They are much better material, but being made of solid billet we cannot have steel inserts. Traditionally non steel interest pistons in diesels wear out the ring grooves faster. The main difference is these are better that the traditional all-aluminum piston because of the alloy and the hardening process. So they last longer than the all-aluminum version but fall a little short of steel inserted ones. Either way these pistons are superior in strength to both. You have the peice of mind with the strength of the piston but you may have a sooner service interval. These are mainly for higher Hp builds that the extra strength is needed and for competition engines. Most of the higher Hp trucks will never run 100k miles without tearing the engine down for upgrades or other reasons. [/QUOTE]

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