{"product_id":"wiseco-3-3-4-big-bore-piston-kits-for-evolution-big-twin-big-twin-dyna-fx-fxr-softail-touring","title":"WISECO 3 3\/4\" BIG BORE PISTON KITS FOR EVOLUTION BIG TWIN | Big Twin | Dyna | FX | FXR | Softail | Touring","description":"\u003cdiv style=\"text-align: center; margin-bottom: 20px;\"\u003e\u003cimg src=\"https:\/\/cdn.zodiac.nl\/media\/zodiac-generated\/ccebb6a4\/52b9\/45a1\/b5ac\/30486d6c7b1e\/standard-rgba.png\" alt=\"Wiseco Logo\" style=\"max-width: 200px;\"\u003e\u003c\/div\u003e\n\n\u003cp\u003e\u003cstrong\u003ePiston kits, 3.740\" Big Bore piston kit for stock stroke\u003c\/strong\u003e\u003c\/p\u003e\n\n\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":"fits 3","offer_id":51664785473855,"sku":"238805","price":778.75,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/0167\/6351\/files\/standard-rgba_5ad20455-aa3f-4103-97e6-6acf80fd118d.png?v=1766341213","url":"https:\/\/mfcustoms.com\/products\/wiseco-3-3-4-big-bore-piston-kits-for-evolution-big-twin-big-twin-dyna-fx-fxr-softail-touring","provider":"MF Customs","version":"1.0","type":"link"}