KTM Piston Kit Gr. I (Size A) for 450 SX-F/XC-F 2017-2019 - 78930007310 I

This is an OEM piston kit for KTM 450 off-road motorcycles, including the piston, circlips, needle bearing, pin, and complete gasket set with base gasket, cylinder head gasket, and O-rings. It provides a direct replacement for worn or damaged components in the crankshaft and piston assembly, ensuring reliable engine performance and compression.

Compatible with 2017-2019 KTM 450 SX-F (EU, US, Factory Edition), 450 SX-F Herlings Replica (EU), and 450 XC-F (US). Fits all listed models precisely as an authentic KTM spare part.

Grade I (Size A) specification matches standard bore size for these models. The kit includes high-quality seals and bearings for durability under motocross and enduro conditions.

Installation requires engine disassembly; use proper tools to avoid damage to seals or piston rings. Always verify measurements before fitting.

Check compatibility list below to see if this part fits your motorcycle model.