{"title":"Cylinders \u0026 Pistons - Cylinders \u0026 Pistons - Polaris","description":null,"products":[{"product_id":"650cc-to-865cc-big-bore-kit-fits-royal-enfield-650-twins-2019up-s-s","title":"650cc to 865cc Big Bore Kit. Fits Royal Enfield 650 Twins 2019up - S\u0026S","description":"\u003cp\u003eFeatures \u0026amp; Benefits:-\u003cbr\u003e\u003cbr\u003e* This kit, when paired with an S\u0026amp;S Cam \u0026amp; exhaust totally changes the ride of the RE650 for the better. Transform your bike into a much more fun \u0026amp; exhilarating ride!\u003cbr\u003e\u003cbr\u003e* Bore x Stroke: 90mm x 67.8mm (retains stock stroke)\u003cbr\u003e\u003cbr\u003e* 11:1 compression ratio (stock is 9.5:1)\u003cbr\u003e\u003cbr\u003e* Complete kits include cylinders, pistons, and head gasket\u003cbr\u003e\u003cbr\u003eSuggested Additional Purchase:\u003cbr\u003e\u003cbr\u003e* S\u0026amp;S Cam # SS330-0709\u003cbr\u003e\u003cbr\u003e* S\u0026amp;S Exhaust # SS550-1031 or Mufflers # SS550-0770\u003cbr\u003e\u003cbr\u003e* S\u0026amp;S Air Cleaner # SS170-0601 \u0026amp; Eliminator Plate # SS170-0603\u003cbr\u003e\u003cbr\u003e* We Strongly advise that you upgrade your clutch to a Rekluse TorqDrive Clutch # \u003cbr\u003e\u003cbr\u003e RMS-2813001\u003cbr\u003e\u003cbr\u003eTech Tips:-\u003cbr\u003e\u003cbr\u003e* Ring gap \u0026amp; Piston to Cylinder Clearance should be checked. \u003cbr\u003e\u003cbr\u003e* Re-Calibration of Ignition Timing \u0026amp; Fuel Mixture is required.\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":42958109540446,"sku":"SS920-0145","price":1490.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/SS920-0145.jpg?v=1782806556"},{"product_id":"std-dome-top-pistons-with-11-1-compression-ratio-fits-royal-enfield-650-twins-2019up-s-s","title":"Std Dome Top Pistons with 11:1 Compression Ratio. Fits Royal Enfield 650 Twins 2019up - S\u0026S","description":"\u003cp\u003eFeatures \u0026amp; Benefits:-\u003cbr\u003e\u003cbr\u003eThese high compression pistons feature a 7cc raised dome to achieve a compression ratio of 11:1 (from 9.5:1). Higher compression is a key factor in increasing performance.\u003cbr\u003e\u003cbr\u003e* Suggested Additional Purchase: S\u0026amp;S Cam # SS330-0709\u003cbr\u003e\u003cbr\u003e* We Strongly advise that you upgrade your clutch to Barnett Clutch # \u003cbr\u003e\u003cbr\u003e B-303-28-10001\u003cbr\u003e\u003cbr\u003eTech Tips:-\u003cbr\u003e\u003cbr\u003e* Follow Ring End Gap \u0026amp; Piston to Cylinder Clearances as per the supplied Manufacturers Instructions.\u003cbr\u003e\u003cbr\u003e* Pull the engine down first \u0026amp; measure the existing bore to determine if oversize pistons are required PRIOR to purchase, we do not take back piston kits. The onus is on the assembling technician to validate the cylinders \u0026amp; required pistons.\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":42958028341342,"sku":"SS920-0143","price":922.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8530\/4926\/files\/SS920-0143.jpg?v=1782806467"}],"url":"https:\/\/ironhorsecustoms.com.au\/collections\/cylinders-pistons-cylinders-pistons-polaris.oembed","provider":"Iron Horse Customs","version":"1.0","type":"link"}