{"product_id":"kibblewhite-kpmi-custom-valve-guide-seals-ptfe-8","title":"KPMI, custom valve guide seals. PTFE","description":"\u003cp\u003eSolid PTFE; with metal band and choker spring. Stem diameter: 5\/16\" (0.311\"). Valve guide diameter: 0.425\". Over all length of seal: 0.386\". Outside diameter of seal: 0;512\". Kibblewhite Precision Machining custom valve stem are a quality product and suitable for any and all custom application.  Kibblewhite Precision Machining custom valve stem seals are a quality product and suitable for any and all custom applications. Note: Below mentioned valve stem diameters are for reference only. - 36-84 B.T. = 3\/8\" (.3750\") - 57-83 XL intake = 0.3090\" - 57-83 XL exhaust = 0.3384\" - 84-04 B.T.; 86-03 XL = 5\/16\" (.311\") - 05-16 TCA\/B; 04-22 XL; 08-12 XR = 7mm (.2760\") - 02-17 V-Rod = 6mm (0.2345\") - 17-24 M8 = 6mm (0.2345\")  Installation note: Valve guides made of PTFE require another fitment technique than ''regular'' or non-PTFE valve guides; this is due to the PTFE material. They are typically 0.020\" (0.50mm) smaller than the valve stem and guide top they’re designed to fit. - The guide top should have a decent chamfer - The valve stem should have a decent chamfer; but a mylar seal installation protector \/ installation capsule (501823 green 5\/16\" \/ 0.3125\"; 501824 Yellow 11\/32\" \/ 0.34375\"; 501825 3\/8\" \/ 0.375\") is advised for easier installation over the valve stem - You have to kind of roll the seal around the valve tip while exerting downward pressure to get it started - Don''t push directly on the very top of the seal to get it on to the guide; you’ll collapse the seali\u003c\/p\u003e","brand":"Kibblewhite","offers":[{"title":"Default Title","offer_id":45135412297797,"sku":"524537","price":149.0,"currency_code":"AED","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0617\/4103\/9685\/files\/524536k_36747ec4-e616-42e2-8d54-c3b92743108b.jpg?v=1781191305","url":"https:\/\/clubstyledubai.com\/fr\/products\/kibblewhite-kpmi-custom-valve-guide-seals-ptfe-8","provider":"Clubstyle Dubai","version":"1.0","type":"link"}