{"product_id":"bhir-1127341","title":"TOPPE KIT ROSA DUAL HEAD D47 MINA. LC","description":"\u003cp\u003eThis version includes our new head (that can be disassembled) that ensures significantly lower operating temperatures in the cylinderpiston unit for improved reliability and performance.\u003c\/p\u003e\u003cp\u003eIn this new head, a larger portion of the combustion chamber comes into contact with the coolant to keep temperatures within an ideal range for enhanced engine efficiency.\u003c\/p\u003e\u003cp\u003eThe compression ratio has also been modified to accommodate the new temperature values.\u003c\/p\u003e\u003cp\u003eScope of delivery:\u003c\/p\u003e\u003cp\u003e1 Cylinder Ø 47 mm in special “Minacrom” cast iron (with chrome additive)\u003c\/p\u003e\u003cp\u003e1 Piston with high silicon content and SILVER insert\u003c\/p\u003e\u003cp\u003e1 Chrome-plated piston ring in special cast iron S10\u003c\/p\u003e\u003cp\u003e1 Piston gudgeon pin Ø 10 x3 8\u003c\/p\u003e\u003cp\u003e1 mm Roller bearing for gudgeon pin Ø 10 x 14 x 12.5 mm\u003c\/p\u003e\u003cp\u003e2Gudgeon pin circlips\u003c\/p\u003e\u003cp\u003e1 Combustion chamber\u003c\/p\u003e\u003cp\u003e1 Combustion chamber cover\u003c\/p\u003e\u003cp\u003e8 Green Viton O-ring Ø 7.66 x 1.78\u003c\/p\u003e\u003cp\u003e1 Green Viton O-ring Ø 51.50 x 1.78\u003c\/p\u003e\u003cp\u003e1 Green Viton O-ring Ø 22.22 x 2.62\u003c\/p\u003e\u003cp\u003e1 O-ring Ø 104.37 x 3.54\u003c\/p\u003e\u003cp\u003e1 Reduction for temperature sensor\u003c\/p\u003e\u003cp\u003e1 Cap M14 x 1.25\u003c\/p\u003e\u003cp\u003e1 Aluminium gasket for cap M14 x 1.25\u003c\/p\u003e\u003cp\u003e1 Cylinder base gasket, 0.4 mm thick, in aluminium\u003c\/p\u003e\u003cp\u003e3 Metal clamps Ø 16 x 25\u003c\/p\u003e\u003cp\u003eBore mm: 47\u003c\/p\u003e\u003cp\u003eStroke mm: 39,2\u003c\/p\u003e\u003cp\u003eDisplacement cm3: 68\u003c\/p\u003e\u003cp\u003eSquish mm: 0,9 ±0,1\u003c\/p\u003e\u003cp\u003eTiming diagram: exhaust: 199° transfer ports: 127°\u003c\/p\u003e\u003cp\u003eCompression ratio: geometric:14:1 actual: 7,3:1\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e","brand":"TOP PERFORMANCES","offers":[{"title":"Default Title","offer_id":58185257353564,"sku":"1127341","price":538.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/5072\/8284\/files\/800Wx800H-1127341-1.jpg?v=1783062828","url":"https:\/\/checkout.xparts.weostores.com\/products\/bhir-1127341","provider":"xparts","version":"1.0","type":"link"}