Cummins ISX Steel Liners vs. OE Cast Iron Showdown!
How tough are IPD’s Chromoly Steel Liners? We went bigger, badder—and way more explosive—to find out.

In this follow-up to our original showdown, we put IPD Steel Liners for the Cummins ISX, ISX15, and now X15 through extreme torture tests across the country:

✅ Crushed and squeezed by an excavator
✅ Shot at on a gun range
✅ Thrown off rooftops
✅ And yes… even blown up

In This Video:
0:00 – Intro: Cast Iron vs Steel (Vince & Bill)
1:38 – CRUSH and SMASH TEST: Excavator (Steve Scott)
3:30 – BULLET TEST Begins (feat. Tron)
5:05 – 6.5mm Creedmoor
6:12 – .300 Win Mag
7:17 – .408 CheyTac
10:07 – DROP TEST: Rooftop & IPD Australia (Michael Sammut)
10:39 – EXPLOSION TEST
11:20 – Wrap-Up: Why Steel Wins in ISX Engines

Why Chromoly Steel?
Cast iron cracks under stress. Our seamless Chromoly steel liners offer up to 3x the tensile strength, with more ductility, fewer failures, and more uptime where it counts.

Got a crazier test idea?
Freeze it in liquid nitrogen? Shoot it from a cannon? Launch it into orbit? Drop your ideas in the comments.

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