{"product_id":"s-s-cycle-99-06-bt-98in-big-bore-forged-pistons-3-937in-standard-bore","title":"S\u0026S Cycle 99-06 BT 98in Big Bore Forged Pistons - 3.937in Standard Bore - 920-0101","description":"These big bore pistons work with the stock 4\" stroke flywheels to convert any 1999-'06 HD® big twin engine from 88\" to 98\" displacement with 10.3:1 compression with stock heads. Stock cylinders may be bored to accomodate larger pistons, but we recommend S\u0026amp;S 3.927\" bore cylinders which feature high strength alloyed cast iron liners. Pistons are compatible with stock rods with tapered wristpin ends. S\u0026amp;S® 3.927\" bore pistons are machined to such close tolerances that it is not necessary to measure the piston. Just bore cylinders to nominal diameter +\/- 0.0005\" for correct clearance. Additionally, the low friction coating on the piston skirt makes taking measurements very difficult. 3.937\" standard bore.","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":52959256772971,"sku":"SSC920-0101","price":720.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/9690\/4998\/files\/cf7510ad77072293c1ca5c90dbf39d69L.jpg?v=1772520482","url":"https:\/\/www.raptorracing.ca\/products\/s-s-cycle-99-06-bt-98in-big-bore-forged-pistons-3-937in-standard-bore","provider":"Raptor Racing","version":"1.0","type":"link"}