{"product_id":"valve-exhaust-xr50-z50-crf50-prox-28-1040-1-14721-gk4-601","title":"VALVE EXHAUST XR50, Z50, CRF50, PROX 28.1040-1 14721-GK4-601","description":"\u003cp\u003eSteel Exhaust Valve. SIZE: 16.00x68.60x5.00\u003cbr\u003e Prox offers steel and titanium engine valves as well as\u003c\/p\u003e \u003cp\u003etitanium into steel conversion kits. The ProX titanium valves are manufactured to high quality standards. high tech Ti3al alloy is forged in one-piece for extra strength while the material offers superior material properties at high temperatures the additional CrN coating offers extreme surface hardness and creates considerably lower friction.The ProX titanium valves do exceed OE specifications in dimensions and reliability. The ProX steel valves are manufactured of premium g 65-475.IN.KW\u003cbr\u003e Tulip 23 degrees,\u003cbr\u003e OL 2.725 inc.\u003cbr\u003e Standard\u003cbr\u003e All KPMI Black Diamond Stainless Steel Valves are impregnated by a special German process to .002 INC. deep\u003c\/p\u003e \u003cp\u003especifications and tolerances. The steel valves are made by the leading OEM factories in Japan and are a direct and cost-efficient OEM replacement.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e Honda CRF50F (2004-2022), Honda XR50 (2000-2003), Honda Z50R (1991-1999),\u003c\/p\u003e \u003cp\u003eProx 28.1040-1\u003c\/p\u003e","brand":"ORO2U","offers":[{"title":"Default Title","offer_id":57196970344821,"sku":"65-475.EX.PX","price":19.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5011\/6136\/files\/stock63103_1.jpg?v=1779064323","url":"https:\/\/www.smxoffroad.com\/fr\/products\/valve-exhaust-xr50-z50-crf50-prox-28-1040-1-14721-gk4-601","provider":"SMXOFFROAD Ltd","version":"1.0","type":"link"}