Why Pro Builders Choose Diamond LS Pistons for Big HP

Choosing diamond ls pistons for your next engine build is usually a sign that you're moving past the "basic bolt-ons" phase and getting serious about making real power. If you've spent any time on the forums or hanging around a machine shop, you know the LS platform is legendary for its ability to take a beating. But even the mighty LS has its limits, and those limits usually start with the factory rotating assembly. Once you start pushing double-digit boost or spraying a heavy dose of nitrous, the stock cast pistons are often the first thing to let go. ...

March 4, 2026 · 6 min · Pirry Pamela