Pro X Piston Kit Standard (44.97 mm) 65cc - Gas Gas | Husqvarna | KTM

The Pro X Piston Kit Standard (44.97 mm) is the industry standard for riders looking for OEM reliability without the OEM price tag. Specifically engineered for the high-revving demands of 65cc motocross engines, this kit ensures your bike maintains the compression and "snap" needed to grab the holeshot.

Engineered for Excellence Pro X pistons are CNC-machined to the tightest tolerances. The 44.97 mm sizing is perfect for standard-bore cylinders found on the KTM 65 SX, Husqvarna TC 65, and Gas Gas MC 65. By using a specialized high-silicon aluminum alloy, Pro X delivers a piston that handles the heat of a 20-minute moto while resisting expansion and seizing

Why Choose Pro X?

Ease of Installation: This is a drop-in replacement that matches your factory specs.

Longevity: The specialized coating minimizes wear on the cylinder walls, extending the life of your top end.

Trusted Heritage: Pro X is the go-to brand for professional mechanics and privateers worldwide.

This part number fits the following vehicles:

• GASGAS MC 65 2021 - 2026
• HUSQVARNA TC 65 2017 - 2026
• KTM 65 SX 2009 - 2026
• KTM 65 XC 2009