Up for sale is an orignal new old stock Mahle 57.5mm (oversize) piston kit for NSU Prima III motorcycles.  It's complete with piston, rings, pin and clips.  Fantastic original German made part, circa 1959 just out of original box and cosmoline/wax wraps for photos!

Please feel free to get in touch with any questions.  This item ships worldwide.

Thanks for your interest and be sure to check my other listings for more European rarities.