For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

Specs Top End Piston Kit, Compression Ratio STD, Cylinder Bore 65.500, Piston Diameter 65.450, Displacement 391.00, Size Over STD 1.5, Notes Top end piston set includes pistons, rings, pins, circlips, top end gaskets, and wrist pin bearings when applicable. For use with Hot Rods +5mm long rod crankshaft 4011 and Hot Rods +4mm stroker crankshaft 4111.

Meets or Exceeds OEM Specs for Fit and Performance

Compatible With/Replacement For Yamaha YFZ 350 Banshee 1987-2006

1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement.

100% New aftermarket Top End Piston Kit built to meet OEM specifications