VERTEX

VERTEX Cast Replica piston kit built to match OEM form for reliable 85cc 2-stroke top-end service. Heat-treated and moly-coated for quicker break-in and extended piston life.

• 48.50 mm bore / 48.46 mm piston diameter (Standard Size C)
• Gravity-cast aluminum alloy with 18% silicone + T-5 heat treatment
• Moly skirt coating & OEM-replacement rings (nitride-coated steel)

VERTEX Cast Replica Piston Kit is an OE-form replacement piston for 85cc 2-stroke engines, built for reliable performance and long life. T-5 heat treatment and a moly-coated skirt help reduce friction and speed up break-in.

• Bore size: 48.50 mm (standard compression)
• Coatings: Moly skirt coating + nitride-coated steel rings
• Construction: Gravity-cast aluminum alloy with 18% silicone

VERTEX Pro-BB forged big bore piston kit built from strong 2618 aluminum to boost displacement, torque and peak horsepower. Heat-treated for durability and finished with a moly-coated skirt for faster break-in and longer piston life.

• Bore: 80.00 mm (270 cc), Compression: 13.8:1 (4-stroke)
• Material: 2618 forged aluminum alloy + moly skirt coating
• Includes: piston, rings, wrist pin and circlips

VERTEX Pro-BB Forged Big Bore Piston Kit is built to increase displacement, torque and peak horsepower while keeping OE-style fit. Forged 2618 aluminum and a moly-coated skirt deliver strength, durability and faster break-in.

• 80.00 mm big-bore (piston Ø 79.6 mm), 270 cc displacement
• 13.8:1 compression for stronger performance
• Kit includes piston, rings, wrist pin & circlips

VERTEX Pro-BB Forged Big Bore piston kit in OE form to increase displacement, torque and peak horsepower. Built from 2618 forged aluminum with moly skirt coating for faster break-in and longer service life.

• ✅ Includes piston, rings, wrist pin & circlips
• ✅ 80.00 mm bore / 79.7 mm piston diameter, 270 cc, 13.8:1 compression
• ✅ Heat-treated (T-5) with moly-coated skirt; nitride-coated steel ring material

The VERTEX Forged Big Bore Piston Kit is built to increase 4-stroke displacement for stronger torque and higher peak horsepower. A 2618 forged aluminum piston with T-5 heat treatment and a moly-coated skirt delivers durability and faster break-in.

• Forged 2618 aluminum for superior strength
• Molybdenum disulphide skirt coating for reduced friction and longer life
• Complete kit: piston, rings, wrist pin & circlips included