Harley Davidson Dyna [1999-2006]-forged performance piston kit hub 4,000 "

Description

The piston kit for Harley Davidson Dyna models from 1999 to 2006 is made from a high-quality 4032 low expansion silicon alloy. This alloy, consisting of 11% silicon, offers an optimal balance between lightness and strength. The construction of the pistons includes accumulator that is placed between the first and the second ring to improve the sealing of the rings. In addition, fine grooves minimize the risk of detonations in the upper part of the piston. The piston surfaces are provided with an anti-friction coating to increase the durability and performance.

Content of the kit

• The set includes two forged pistons.
• Two sets of molybdenum -coated rings made of ductile iron ensure improved wear resistance.
• The piston bolts and safety rings are also included.
• Assembly oil is included to facilitate assembly.
• The products are sold in pairs.

Technical details

Compression relationship: 10.5:1

Material: aluminum

Packaging unit: In pairs