Malossi 4T Pistons D 66 piston pin 15 3 rectangular segments original cylinder

The Malossi forged 4-stroke pistons Ø 66 selection 0 are a high-quality product for your four-stroke engine. Made from a special aluminum alloy (copper sil.), these pistons are forged, heat-treated, and coated to ensure optimal performance. The domed crown with valve imprints, the racing design, and the reinforced and lightened structure make these pistons ideal for sporty use.

With their rectangular segments, these pistons offer high compression for the original cylinder. The segments are composed of three parts: the first is chrome-plated steel for compression, the second is phosphated steel for oil scraping, and the third consists of two chrome-plated steel rings and a spring. This combination ensures a perfect seal and effective engine lubrication.

The standard selection of these pistons allows for replacing only the piston without making any modifications to the cylinders. However, it is important to check in advance that the cylinder barrel is not damaged, ovalized, or scratched. If the barrel is not in compliance, it is possible to use oversized pistons after properly honing it, following the measurements indicated in the table.

The Malossi forged 4-stroke pistons Ø 66 selection 0 are the perfect choice for those seeking high performance and reliability for their four-stroke engine.

SPECIFICATIONS

• Cylinder: Normal
• Original cylinder barrel: Ø 66.000 - 66.010
• Malossi piston: Ø 65.965 - 65.980
• Malossi piston selection code: 0