{"product_id":"s-s-cycle-1984-1999-bt-w-stock-heads-88in-3-5-8in-big-bore-cylinder-piston-kit-wrinkle-black-91-7502","title":"S\u0026S Cycle 1984-1999 BT w\/ Stock Heads 88in 3 5\/8in Big Bore Cylinder \u0026 Piston Kit - Wrinkle Black - 91-7502","description":"\u003cp\u003eThis 3-5\/8\" big bore kit will increase the displacement of stock 80\" Evolution big twin engines to 88\" using the stock 4-1\/4\" flywheels. The kit includes S\u0026amp;S 3-5\/8\" borecylinders, 3-5\/8\" bore flat topped forged pistons with rings and wristpins, head gaskets, base gaskets, exhcaust gaskets, and instructions. The cylinders are shorter than stock, so shorter pushrods, and shorter manifold will be needed to complete the engine. Stock cases will need to be bored out to 3 5\/8\".\u003c\/p\u003e\u003ch2\u003eFitment and application\u003c\/h2\u003e\u003cp\u003eS\u0026amp;S Cycle 1984-1999 BT w\/ Stock Heads 88in 3 5\/8in Big Bore Cylinder \u0026amp; Piston Kit - Wrinkle Black. Confirm the vehicle, year, model, configuration, and complete manufacturer part number before ordering.\u003c\/p\u003e\u003ch2\u003eProduct details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e S\u0026amp;S Cycle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Piston Sets - Powersports\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 91-7502\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e ssc91-7502\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 91-7502\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":44133504712791,"sku":"ssc91-7502","price":1544.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4928\/2135\/files\/S-S-Cycle-1984-1999-BT-w-Stock-Heads-88in-3-5-8in-Big-Bore-Cylinder-Piston-Kit-Wrinkle-Black-91-7502.png?v=1786409134","url":"https:\/\/parts4motorcycles.com\/products\/s-s-cycle-1984-1999-bt-w-stock-heads-88in-3-5-8in-big-bore-cylinder-piston-kit-wrinkle-black-91-7502","provider":"Parts4Motorcycles","version":"1.0","type":"link"}