ODON, Indiana – The new Wagler S-series (Street) & X-series (Extreme) cylinder heads for GM Duramax diesels are now available directly from Wagler Competition Products. The new custom-built high performance heads are the first of its kind in the diesel aftermarket world, according to Jeremy Wagler, president and CEO of Wagler Competition. The heads are a direct factory bolt-on item, with no modifications required for installation.
