{"product_id":"3-5-8-big-bore-cylinders-and-pistons-for-evolution-big-twin","title":"3 5\/8\" BIG BORE CYLINDERS AND PISTONS FOR EVOLUTION BIG TWIN","description":"\u003cp\u003eThese 3 5\/8\" pistons convert your Evolution Big Twin motor to 88CI (1475CC) and 9.25:1 compression ratio when used with a stock stroke crankshaft and with stock cylinder heads. Piston kits come include pistons, rings, wrist pins and circlips. You will have to order two 3 5\/8\" Big Bore cylinders and a piston kit separately. As with all 3 5\/8\" Big Bore cylinders for Evolution Big Twin the crankcases must be bored to accept these cylinders.\u003c\/p\u003e","brand":"V-Twin","offers":[{"title":"Big Bore cylinders, Silver, each","offer_id":55488853737799,"sku":"789346","price":393.42,"currency_code":"EUR","in_stock":true},{"title":"Big Bore cylinders, Black, each","offer_id":55488853770567,"sku":"789347","price":521.63,"currency_code":"EUR","in_stock":true},{"title":"Piston kits, Complete 3.875\" Big Bore piston kit","offer_id":55488853803335,"sku":"758594","price":374.52,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/7812\/0519\/files\/standard-rgba_19bb693f-e656-4a34-a3bc-719ed403413a.png?v=1792447987","url":"https:\/\/www.chopperessentials.com\/products\/3-5-8-big-bore-cylinders-and-pistons-for-evolution-big-twin","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}