iston Kit Ø 44.97 mm (12° Top) – KTM 65SX (2009‑2026) / Husqvarna TC65 (2017‑2026) / GASGAS MC65 (2021‑2026)

The VHM APKT06521722C piston kit is engineered for maximum performance in 65 cc two‑stroke motocross engines. With a piston diameter of Ø 44.97 mm and a 12° dome‑top profile, this kit is compatible with KTM 65SX (2009‑2026), Husqvarna TC65 (2017‑2026) and GASGAS MC65 (2021‑2026). This 12° VHM piston is specially developed for maximum performance gain: it must be used in combination with a VHM 12° insert and head. The piston is 100% CNC‑machined from high‑quality material and features a non‑circular profile, which stands for high performance, longevity and maintaining high performance throughout its life. Ideal for rebuilds, high‑performance upgrades or competition applications where precision and durability are critical.

Key Features / Benefits:

• Complete piston kit matched to Ø 44.97 mm diameter and 12° dome top profile.

• CNC‑machined premium material with non‑circular profile for enhanced sealing and durability.

• Compatible with KTM 65SX (2009‑2026), Husqvarna TC65 (2017‑2026) and GASGAS MC65 (2021‑2026).

• Must be used in combination with VHM 12° insert and head for correct fitment and best performance.

• High performance, inside coating for reduced friction and special Z‑clips; built for longevity and consistent high output throughout its lifetime.

Technical Specifications / Specifications:

• Diameter: Ø 44.97 mm

• Version: Special

• Piston Crown Shape / Top Profile: Flat top 12°

• Bore Size: Ø 45 mm

• Piston Pin Diameter: Ø 12 mm

• Engine Type: 2‑Stroke

• Coating: Yes

• Piston‑to‑Cylinder Clearance: Minimum 0.04 mm, Maximum 0.05 mm

• Piston Ring End Gap: 0.20 + 0.10 mm

• Usage Note: Must be used in combination with a VHM 12° insert and head to ensure correct geometry and optimal performance.