Polaris, E-ton, Alpha Sports 2 stroke 100cc Big Bore kit for all 2 Stroke 90cc ATV's. Engine Rebuild Cylinder Top End Kit

These kits are used on Eton, Polaris and Alpha Sports models with a 90cc 2-stroke engine. This is an upgrade that can only be used on the 90cc units. They are not adaptable to any of the smaller 50cc & 70cc 2-stroke units.

• Includes the following components: Cylinder, Cylinder Head,, Piston, Piston Rings, Piston Pin, Circlips, Connecting Rod Bearing, Spark Plug,, Head Gasket, Base Gasket, Reed Valve, Reed Valve Gasket, Exhaust Gasket, Intake
• Alpha Sports Kolt 90, Kolt 90 Reverse, LG 90 and Revo 90 2-stroke 90cc ATVs
• compatible with Polaris 2-Stroke ATVs: Sportsman 90, Scrambler 90, Predator 90
• Compatible with Eton Viper 90, Sierra DXL 90, Thunder 90, Impulse 90 2- Stroke ATV's