Icon 12119 Single Pane RV Skylight SL1824S Smoke 24" x 18"

Icon Pistons

<h3>Icon Pistons: Over a Century of American Piston Engineering</h3><p>When engine builders talk about serious forged pistons for high-performance street and racing applications, Icon Pistons is a name that consistently rises to the top. A product line of <strong>United Engine &amp; Machine (UEM)</strong>, Icon has been backed by more than a century of piston manufacturing expertise dating back to the company's founding in 1922 in Carson City, Nevada. Today, UEM is recognized as the largest piston manufacturer in North America, and the Icon brand represents the pinnacle of their forged performance lineup.</p><h3>Purpose-Built Performance From the Ground Up</h3><p>Every Icon piston is engineered specifically for extreme high-performance street or racing use. The lineup spans several distinct series — FHR (Formed Head Relief), Premium, Elite, and LCAT — giving engine builders a clear path from enthusiast builds all the way to all-out competition engines. The FHR series uses 4032 aluminum alloy, which allows for tighter piston-to-wall clearances and quieter operation, while the Premium and Elite series step up to 2618 billet aluminum alloy, better suited for high-compression and power-adder combinations.</p><p>Icon's Elite and LCAT pistons take things even further, featuring the brand's Line2Line adaptive skirt coating technology, which allows the piston to hone itself to the cylinder wall during break-in — reducing friction, minimizing piston rock, and maximizing ring seal. Anodized top ring grooves and piston crowns are standard on upper-tier models, helping combat micro-welding under detonation and improving combustion efficiency. All ICON forgings are produced in-house at UEM's own facility, ensuring tight tolerances and consistent quality from blank to finished part.</p><p>For those building <a href="/1163-icon-pistons-engine-piston-set-10313">engine piston sets</a> for Chevrolet, Ford, Chrysler, Pontiac, Olds, AMC, and a broad range of other popular platforms, Icon offers an extensive catalog covering standard bores, many oversizes, multiple compression ratios, and both stock-stroke and stroker applications. Sets are weight-matched to within ±2 grams for vibration-free engine operation — a feature normally reserved for custom piston programs.</p><h3>A Full Family of UEM Piston Brands</h3><p>While Icon is UEM's forged performance flagship, the company's broader piston portfolio addresses nearly every rebuild scenario. The Silv-O-Lite line has served as a trusted OE replacement cast piston option for decades, offering broad application coverage for engine rebuilds. KB Performance pistons, crafted from high-silicon aluminum alloy, deliver a strong cast hypereutectic option for performance street engines, while KB's motorcycle division provides both cast and forged solutions for V-Twin and sport bike applications. The Dualoy line rounds out the family with pistons specifically engineered for light and medium-duty diesel trucks, complete with high-strength top ring carriers and integrated oil cooling galleries.</p><h3>Track-Proven Results</h3><p>Icon Pistons' real-world credibility is well established in the racing community. Team War Wagon has set multiple track records and AA/FA World records running Icon pistons, including the current AA/FA quarter-mile MPH world record of 304.59 mph — achieved with zero piston failures. For engine builders who demand that level of confidence in their parts, Icon consistently delivers.</p>