{"product_id":"mikuni-main-jet-n424-36-128","title":"MIKUNI MAIN JET N424-36-128","description":"\u003cp\u003e\u003c\/p\u003e\u003cp\u003eMikuni Main Jet N424-36-128KIT FEATURES:\u003c\/p\u003e\u003cp\u003eAll kits sold with valve, spring, retainer, seat to do complete replacement of either intake or exhaust side\u003c\/p\u003e\u003cp\u003eAll components are manufactured under iso 9001 certified factories\u003c\/p\u003e\u003cp\u003eNitride coated components to improve heat transer \u0026amp; carbon buildup for increased valve train life\u003c\/p\u003e\u003cp\u003eVALVE FEATURES:\u003c\/p\u003e\u003cp\u003eForged one-piece construction to help with weight reduction \u0026amp; improved flow\u003c\/p\u003e\u003cp\u003ePerformance valves receive a swirl polish, smooth stem treatment, and are made of 21-2n\/suh35ht stainless steel\u003c\/p\u003e\u003cp\u003eSPRING FEATURES:\u003c\/p\u003e\u003cp\u003eSprings are made of swosc-v material (oil-tempered steel wire)\u003c\/p\u003e\u003cp\u003eSome springs fearture a progressive style design with more coils on one end of the spring\u003c\/p\u003e\u003cp\u003eProgressive springs are heavier on one end and should always be installed towards the bottom\u003c\/p\u003e\u003cp\u003eNon-progressive springs are paint marked and should be installed towards the top\u003c\/p\u003e\u003cp\u003eSEATS \u0026amp; RETAINERS:\u003c\/p\u003e\u003cp\u003eMade from 4041 steel (select applications use 707546 aluminum)\u003c\/p\u003e\u003cp\u003eDesigned to work with psychic stainless steel valves and springs\u003c\/p\u003e","brand":"MIKUNI AMERICAN","offers":[{"title":"Default Title","offer_id":51610639991100,"sku":"222109","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/c2b37a59-8b9b-4e9d-9e46-9c893cdb7d89.jpg?v=1744776408","url":"https:\/\/necycleshop.com\/products\/mikuni-main-jet-n424-36-128","provider":"NE Cycle Shop","version":"1.0","type":"link"}