ATHENA TOP END PISTON KIT; KTM 85 SX 18-25

Revitalize your 85cc 2-stroke engine with this all-in-one, race-ready top-end rebuild kit. Athena has perfectly paired a gravity-cast, high-silicon aluminum piston with their industry-leading top-end gaskets to give you a seamless and reliable rebuild experience. The precision CNC-machined piston ensures flawless fuel flow and optimal flame propagation, while the specialized molybdenum disulfide skirt coating greatly reduces internal friction for maximum power and longevity. Accompanied by gaskets that have undergone advanced stress-relieving processes and proprietary surface treatments, this kit guarantees an unbeatable seal under extreme cylinder pressures. Reclaim your factory compression and hit the track with ultimate confidence. Complete top-end solution perfectly pairing a cast 2-stroke piston and comprehensive gasket kitGravity-cast from a specialized high-silicon aluminum alloy for exceptional strength and heat resistanceMolybdenum disulfide skirt coating drastically reduces friction and internal engine wearPrecision CNC-machined profile ensures optimal fuel flow and perfect flame propagationAdvanced gaskets feature proprietary surface treatments and stress-relieving processes for maximum sealing reliabilityIncludes: Cast 2-Stroke Piston (Domed Head)Piston Ring (1)Piston Pin / Wrist PinCirclipsNeedle BearingComplete Top End Gasket KitDisplacement: 85ccPiston Size: 46.94mmPin Dimensions: 14x9.5x40mmCompression Ratio: Standard.