{"product_id":"700030","title":"WISECO 3 3\/4\" BIG BORE PISTON KITS FOR EVOLUTION BIG TWIN","description":"\u003cp\u003eThese piston kits will convert your 1340 Evolution Big Twin motor to a 93.4CI (1530CC) Big Bore with stock stroke. Must be used in combination with a set of 3.740\" bore cylinders. No cylinder head modification or re-balancing of the crankshaft required, just have your crankcase bored to the spigot size of these big bore cylinders. Compression ratio is 9.5:1 when using the stock Harley cylinder heads. Kit includes a pair of Wiseco forged pistons, Hastings piston rings, wrist pins and piston pin clips. Top end gasket kit for your year motorcycle must be ordered separately.\u003cstrong\u003e\u003cbr\u003e \u003cbr\u003e Note: \u003c\/strong\u003eThese kits are designed for use with 1984-1989 and 1996-1999 stock crankcases or any S\u0026amp;S, Delkron or S.T.D. crankcase. Due to a weaker construction of the stock 1990-1995 crankcases the use of these is not recommended they should be replaced with S\u0026amp;S, Delkron or S.T.D. crankcases.\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":56169220637047,"sku":"700030","price":131.22,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/3244\/1207\/files\/standard-rgba_0a344ce5-6b79-42a5-adcc-87336dba7161.png?v=1762984582","url":"https:\/\/shop.franklinmotors.ie\/products\/700030","provider":"Franklin Motors","version":"1.0","type":"link"}