Harley Davidson Dyna [2007-2017]-Forged performance piston kit Hub 4.375 "

Description

This high -quality piston kit was specially developed for the Harley Davidson Dyna models from 2007 to 2017. It consists of an advanced 4032 aluminum alloy with low expansion coefficients and 11% silicon proportion, which ensures optimal performance and durability. The pistons are forged and have accumulator that improves the seal between the rings and thus increases efficiency. In addition, the piston surfaces are provided with mini -mills, which minimize the risk of detonations and extend the lifespan of the engine.

Content of the kit

• Two forged pistons
• Two sets of molybdenum -coated rings made of ductile iron
• Piston bolts and fuse rings
• Assembly oil for installation

Technical details

Compression: 9,5:1

Bore: 4.125 inches

Hub: 4.375 inches

Material: Forged aluminum