VERTEX TOP END KIT GAS/HUS/KTM 300cc TPI (18-22) 71.9mm

Vertex Top End Kit – KTM, Husqvarna & GasGas 300cc TPI

Rebuild your 300cc TPI engine with the Vertex Top End Kit for KTM, Husqvarna, and GasGas motorcycles. Featuring a 71.9mm cast aluminum piston coated with high-tech Molybdenum Disulfide, this kit ensures faster break-in, longer piston life, and superior durability. The lightweight yet strong gravity-cast pistons contain 18% silicone content and are heat-treated with a T-5 hardening and tempering cycle. Complete with OEM replacement rings, pins, circlips, top-end gaskets, and wrist pin bearing or cam chain (where applicable), this kit provides everything needed for a precise and reliable top-end rebuild.

Fitment

• KTM: 300 EXC TPI (2018–2022), 300 XC (2019), 300 XC TPI (2020–2022), 300 XC-W / Erzbergrodeo Edition / Six Days Edition TPI (2018–2022)

• GasGas: EC 300 (2021)

• Husqvarna: TE 300i (2018–2022), TX 300i (2020–2021)

Features

• 71.9mm cast aluminum piston with Molybdenum Disulfide coating for fast break-in and increased piston life

• Lightweight, strong pistons with 18% silicone content

• Heat-treated with T-5 hardening and tempering cycle

• Complete top-end kit: piston, rings, pins, circlips, gaskets, wrist pin bearing or cam chain

• OEM replacement rings for precise fitment

• Designed for off-road, motocross, and enduro bikes