{"product_id":"zodiac-238805","title":"Wiseco BT84-99 3.740\" BigBore Kit","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\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\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Wiseco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Pistons \u0026amp; Piston Rings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cp\u003ePiston kits, 3.740\" Big Bore piston kit for stock stroke\u003c\/p\u003e\u003ch2\u003ePart Numbers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eItem Number:\u003c\/strong\u003e ZPN238805\u003cbr\u003e\u003cstrong\u003eZodiac Part Number:\u003c\/strong\u003e 238805\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":62715284652419,"sku":"ZPN238805","price":331.24,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/zpn238805.png?v=1790632607","url":"https:\/\/hogparts.co.uk\/products\/zodiac-238805","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}