{"product_id":"regina-520-dr-extra-drag-racing-chain-170-links-part-number-135dr-1006","title":"Regina 520 DR Extra Drag Racing Chain, 170 Links, Part Number 135DR\/1006","description":"520 DR Extra - Drag Racing Chain - 170 Links\n\u003cp\u003eThe Regina 520 DR Extra Drag Racing Chain is engineered for the severe demands of competitive drag racing. This 170-link chain is designed for high-performance motorcycle applications and provides the durability and fatigue resistance needed for demanding launches, repeated acceleration, and high-load drivetrain operation. Manufactured by Regina, the chain is built to support applications through Pro Stock-level performance when properly selected and installed.\u003c\/p\u003e\u003cp\u003ePlates, pins, and rollers are shot-peened to improve fatigue resistance and help withstand the repeated stress associated with drag racing. The chain delivers a breaking strength of 10,566 pounds and a fatigue limit of 2,135 pounds, offering dependable performance for race-prepared motorcycles using a compatible 520-size chain system. The included clip-and-rivet-type link supports installation and service flexibility.\u003c\/p\u003e\u003cp\u003eUse the Regina 520 DR Extra when a high-strength drag racing chain is required for a compatible motorcycle drivetrain. Confirm the motorcycle model, sprocket configuration, chain length, and installation requirements before ordering. This product is identified by manufacturer part number 135DR\/1006 and vendor part number 135DR\/1006.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 520 drag racing chain\u003c\/li\u003e\n\u003cli\u003eModel: DR Extra\u003c\/li\u003e\n\u003cli\u003eLink count: 170 links\u003c\/li\u003e\n\u003cli\u003eBrand: Regina\u003c\/li\u003e\n\u003cli\u003eManufacturer: Regina\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 135DR\/1006\u003c\/li\u003e\n\u003cli\u003eVendor part number: 135DR\/1006\u003c\/li\u003e\n\u003cli\u003eApplication: Designed for severe drag racing use and compatible high-performance motorcycle drivetrains\u003c\/li\u003e\n\u003cli\u003eConstruction: Plates, pins, and rollers are shot-peened for improved fatigue resistance\u003c\/li\u003e\n\u003cli\u003eBreaking strength: 10,566 pounds\u003c\/li\u003e\n\u003cli\u003eFatigue limit: 2,135 pounds\u003c\/li\u003e\n\u003cli\u003ePerformance level: Suitable for applications up to Pro Stock level when properly matched and installed\u003c\/li\u003e\n\u003cli\u003eIncluded component: Clip-and-rivet-type link\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"REGINA","offers":[{"title":"Default Title","offer_id":67547542651115,"sku":"12210130","price":228.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/180810.png?v=1790678334","url":"https:\/\/ctracingservices.com\/products\/regina-520-dr-extra-drag-racing-chain-170-links-part-number-135dr-1006","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}