ATHENA TOP END PISTON KIT; KTM 125 SX 02-15

Breathe new life into your 125cc 2-stroke engine with this ultimate, all-in-one top-end rebuild kit. Athena has perfectly paired a premium, gravity-cast high-silicon aluminum piston with their industry-leading top-end gaskets for a seamless and highly reliable rebuild. The precision CNC-machined piston ensures flawless fuel flow and optimal flame propagation, while a perfectly smooth profile and forged side relief skirt greatly reduce internal friction for enhanced 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 maximum performance! 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 resistanceForged side relief skirt reduces weight 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 (Flat Head)Piston Ring (1)Biconical Piston Pin / Wrist PinComplete Top End Gasket KitDisplacement: 125ccPiston Size: 53.94mmPin Dimensions: 15 x 10 x 45mmCompression Height: 29.50mm.