ProX Piston Kit, 44.99 mm for GasGas, Husqvarna and KTM (01.6029.D)

The PROX 01.6029.D Piston Kit is designed as a reliable OEM replacement for select GasGas, Husqvarna, and KTM motorcycles. Manufactured in Japan, this piston kit is built to support dependable engine performance, consistent fitment, and long-term durability in demanding riding conditions. It is a practical choice for engine rebuilds and replacement applications where precision and OEM-level specifications are important.
The piston is cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications. This material helps provide a strong, lightweight construction suitable for high-performance motorcycle engines while supporting consistent operation under heat and load. After casting, the piston is CNC-machined to extremely close tolerances for accurate fitment and dependable interaction with related engine components.
The PROX 01.6029.D kit includes the essential components needed for installation: one piston, a piston ring kit, a wrist pin, and circlips. Supplying these components together simplifies the replacement process and helps ensure compatibility within the piston assembly. Verify motorcycle year, model, engine specifications, and manufacturer fitment requirements before installation.
Built for riders, technicians, and motorcycle enthusiasts seeking a quality replacement component, the PROX Piston Kit combines Japanese manufacturing with carefully controlled machining and durable materials. Use it to help restore proper engine function during scheduled maintenance, top-end service, or a complete engine rebuild.

Features:

• OEM replacement design: Developed for select GasGas, Husqvarna, and KTM motorcycle applications.

• Japanese manufacturing: Manufactured in Japan for consistent quality and reliable production standards.

• High-silicon aluminum alloy: Cast from durable aluminum alloy designed to meet or exceed OEM specifications.

• CNC-machined precision: Machined to extremely close tolerances for accurate fitment and dependable performance.

• Complete piston kit: Includes piston, ring kit, wrist pin, and circlips.

• Piston size: 44.99 mm piston diameter.

Ships from Parts Unlimited.