{"product_id":"ek-420sr-120-heavy-duty-non-sealed-roller-chain-120-links","title":"EK 420SR-120 Heavy-Duty Non-Sealed Roller Chain, 120 Links","description":"420 SR - Heavy-Duty Non-Sealed Chain - 120 Links\n\u003cp\u003eThe EK 420SR-120 Heavy-Duty Non-Sealed Roller Chain is designed for reliable performance in powersports applications requiring a durable, economical chain. This 420 SR model includes 120 links and is manufactured by EK with a special steel alloy for strength and consistent wear resistance. Its non-sealed construction makes it suitable for applications where efficient power transfer, easy maintenance, and dependable operation are priorities.\u003c\/p\u003e\u003cp\u003eBuilt with four-point riveting and solid bushings, the EK 420SR-120 helps improve chain durability under demanding riding conditions. Solid rollers and shot-peened components provide added resistance to impact and fatigue, while pre-stretched parts help reduce initial adjustment requirements during installation. The included clip-type master link supports straightforward assembly and service.\u003c\/p\u003e\u003cp\u003eThe EK 420SR-120 fits compatible 420-size chain systems that require a 120-link, non-sealed heavy-duty chain. Confirm the motorcycle, ATV, dirt bike, or other powersports application’s chain size, required link count, and manufacturer specifications before installation. Proper lubrication, alignment, and tensioning are recommended to support long service life and smooth operation. This product is identified by EK manufacturer part number 420SR-120 and vendor part number K420SR120.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 420 chain size with 120 links\u003c\/li\u003e\n\u003cli\u003eModel: 420 SR heavy-duty non-sealed roller chain\u003c\/li\u003e\n\u003cli\u003eBrand: EK\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 420SR-120\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: K420SR120\u003c\/li\u003e\n\u003cli\u003eConstruction: Special steel alloy with solid rollers and solid bushings\u003c\/li\u003e\n\u003cli\u003eDurability: Four-point riveting, shot-peened components, and pre-stretched parts\u003c\/li\u003e\n\u003cli\u003eInstallation: Includes a clip-type master link\u003c\/li\u003e\n\u003cli\u003eFitment: Compatible with powersports applications designed for 420-size, 120-link non-sealed chains\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EK","offers":[{"title":"Default Title","offer_id":67545064177899,"sku":"K420SR120","price":40.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/38457.png?v=1790654220","url":"https:\/\/ctracingservices.com\/products\/ek-420sr-120-heavy-duty-non-sealed-roller-chain-120-links","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}