{"product_id":"61-inch-rear-mc-cast-knucklehead-cylinder","title":"61 inch Rear MC Cast Knucklehead Cylinder","description":"\u003cp\u003eRear cylinder fits Knucklehead 1936-1947 61 inch models. Cylinders are for stock bore  stock stroke and compression  featuring 5 fins.\n\u003cbr\u003eCylinder have original casting marks of MoCasCo. Set includes 61 inch overhead valve piston ring set. *NOTE: Check ring gap before final assembly. Include casting numbers on cylinder. *NOTE: All cast iron cylinders have same piston to wall clearance .0025 -.003.\u003c\/p\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1936 Harley Davidson EL\u003cbr\u003e\n1937 Harley Davidson EL\u003cbr\u003e\n1938 Harley Davidson EL\u003cbr\u003e\n1939 Harley Davidson EL\u003cbr\u003e\n1940 Harley Davidson EL","brand":"Motorshop","offers":[{"title":"Default Title","offer_id":55924237893800,"sku":"11-0023","price":493.95,"currency_code":"CAD","in_stock":false}],"url":"https:\/\/speedguyscanada.com\/products\/61-inch-rear-mc-cast-knucklehead-cylinder","provider":"THE SPEED GUYS CANADA ","version":"1.0","type":"link"}