Drag Specialties 09110022 Piston kitRef : DRG01690A / 09110022

Replace your worn pistons with a reliable set from Drag Specialties, designed for vintage customs and touring bikes. This cast aluminium alloy piston meets oversized specifications for restoration or reboring: bore +0.005 (imperial +0.005), piston diameter 3.875" and stroke 4-3/8". Supplied as a ready-to-install kit, it is suitable for an economical and durable OEM replacement.

• Manufacturer reference: 21989-07+.005
• Material: cast aluminium alloy
• Specification: oversized bore +0.005 (imperial +0.005)
• Diameter: 3.875" (imperial)
• Stroke: 4-3/8"
• Supplied: kit with two pistons, pins and circlips
• Segments: compatible with OEM or Hastings segments (to be ordered separately)
• Some versions are equipped with a coating designed to extend lifespan and reduce friction.

Designed for the Vintage/Classic and Touring ranges, this piston is particularly suitable for Harley-Davidson Dyna 1690 models (Wide Glide, Low Rider, Fat Bob) from 2014 — please check compatibility with your engine before ordering. Ideal for reboring or OEM replacement, it offers a simple and robust solution to get your engine back in working order.