HERE IS A NOS AFTERMARKET STD. BRIGGS AND STRATTON PISTON AND RING SET.  THE PART NUMBER IS 293400, 1002-48 JOHN R BRAND.  IT FITS ENGINE MODELS THAT ARE LISTED BELOW.  MAY FIT OTHER MODELS SO CHECK YOURS BEFORE PURCHASING.  PLEASE SEE MY OTHER AUCTIONS. 6B/6B-H/6B-HS/6B-S