{"product_id":"s-s-3-7-16-forged-stroker-piston-kit-020","title":"S\u0026S, 3-7\/16\" forged stroker piston kit. +.020\"","description":"Forged piston set. For 41-78 1200cc (74\") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7\/16\" (1200cc) or 3-1\/2\" (1340cc) cylinders with stock 5.330\" length. Compression will be approx 8.4:1 with 4-1\/2\" stroke; 9.4:1 with 4-5\/8 stroke and 10.8 with 4-3\/4\" stroke. Piston dome volume 50cc. The advanced alloy and piston skirt profile for low noise and long engine life. Pistons include wrist pins; wrist pin clips and piston rings.   Note: +.060\" 3-7\/16\" bore of the 1200 engine is identical to the standard 3-1\/2\" bore of the 1340cc engine.  Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 41-84 Big Twin with 84\" (4-1\/2\" stroke); 86\" (4-5\/8\" stroke) \u0026amp; 88\" (4-3\/4\" stroke) engines (NU)\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":54307884269895,"sku":"531774","price":589.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/7812\/0519\/files\/531772k_9945b796-b1a3-4ebf-873e-6ba0447021c4.jpg?v=1784483966","url":"https:\/\/www.chopperessentials.com\/products\/s-s-3-7-16-forged-stroker-piston-kit-020","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}