Athena Piston Kit Forged Aluminum For Honda CRF 450 RX 17-24 S5F09600006A yamaha-yz-250-fx-2023-esi8408421 Mechanical QUICK-LOCK latching system: the

Mechanical QUICK-LOCK latching system: the magnets guide the upper ring into the appropriate position on the tank ring and the lock snaps firmly into place

scratches and chain rubbing

Bearing box with B5 bearing quality

Lug nut kit includes 16 nuts and 4 valve stems and must be ordered separately

Athena Piston Kit Forged Aluminum For Honda CRF 450 RX 17-24 S5F09600006A yamaha-yz-250-fx-2023-esi8408421 Mechanical QUICK-LOCK latching system: the2 stroke pistons are made from 4032 sillicum 4 stroke pistons are made from 2618 sillicum Both include 3% copper for better heat resistance Forged piston kits are available in A, B and C sizing Forged piston tooling allows for the lightest available product Kits include antiwear coated piston, rings, pin and circlips Brand ATHENA Engine Type 4 Stroke Ring Material Steel, Cast Product Type Piston Kit Piston Size Standard Size A Piston Diameter 95,95 mm