YOU ARE BIDDING ON A PROP DRIVE WASHER NIP FOR .29-.35 5224 ONLY PART #29410.ALSO HAVE FOR BB ENGINE WHICH IS DIFFERENT.PLEASE SPECIFY IF BB.Check out my other items!Be sure to add me to your favorites list! I  HAVE ALL TYPES OF OS & ENYA C/L VENTURIS & NVA FOR SALE OR ON AUCTION.IF YOU DONT SEE IT ASK.SEE MY OTHER AUCTIONS FOR PARTS.WILL COMBINE SHIPPING