{"product_id":"steel-big-twin-tappet-block-set","title":"HARLEY Steel Big Twin Tappet Block Set Fits 1953-1972 FL,","description":"Big Twin tappet block set with steel finish features countersunk screw holes to accept tapered screws for mounting.  Inner diameter for standard lifters must be honed to .731 +\/- .0005. Constructed of cast iron with steel plating. *NOTE: Order tappet screws  separately in either 1\/4 x 20 inch or 1\/4 x 24 inch thread. *NOTE: Tappet bores are undersized and must be sized by installer to proper diameter.   FITS HARLEY: 1953-1972 FL,   ","brand":"Motorshop","offers":[{"title":"Default Title","offer_id":46838227992764,"sku":"10-0923","price":132.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/4366\/7900\/files\/10-0923a.jpg?v=1779174662","url":"https:\/\/paniccycles.com\/products\/steel-big-twin-tappet-block-set","provider":"Paniccycles","version":"1.0","type":"link"}