{"product_id":"singer-shuttle-race-back-spring-part-125302-fits-15-87-15-88-15-89-15-90-15-91-15-125-vintage-original","title":"Singer Shuttle Race Back Spring – Part #125302 | Fits 15-87, 15-88, 15-89, 15-90, 15-91, 15-125 | Vintage Original","description":"\u003cp\u003eRestore smooth, consistent stitching to your vintage Singer Class 15 machine with this genuine original Singer (Simanco) Race Cover Spring, part #125302 — also known as the Shuttle Race Back Spring. This thin, flexible metal spring sits on the shuttle race assembly and provides the tension needed to hold the race cover and hook securely in place throughout the sewing cycle.\u003c\/p\u003e\u003cp\u003eIncludes the original mounting screw. In excellent condition and ready to install.\u003c\/p\u003e\u003ch2\u003eWhy Replace It?\u003c\/h2\u003e\u003cp\u003eOver decades of use, these springs can lose tension, warp, or break due to friction and heat — often causing inconsistent stitching or thread jams. A fresh original spring restores the precise tension Singer engineered into the Class 15 shuttle assembly.\u003c\/p\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSinger 15-87\u003c\/li\u003e\n\u003cli\u003eSinger 15-88\u003c\/li\u003e\n\u003cli\u003eSinger 15-89\u003c\/li\u003e\n\u003cli\u003eSinger 15-90\u003c\/li\u003e\n\u003cli\u003eSinger 15-91\u003c\/li\u003e\n\u003cli\u003eSinger 15-125\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSinger (Simanco) part #125302\u003c\/li\u003e\n\u003cli\u003eAlso known as: Shuttle Race Back Spring\u003c\/li\u003e\n\u003cli\u003eIncludes: spring + mounting screw\u003c\/li\u003e\n\u003cli\u003eMaterial: Thin flexible metal\u003c\/li\u003e\n\u003cli\u003eFits: Class 15 shuttle race assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRelated Assembly Parts\u003c\/h2\u003e\u003cp\u003eComplete your shuttle race assembly with these related genuine Singer parts:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.vintagesingerparts.com\/products\/race-cover-spring-singer-part-125302-fits-models-15-87-15-88-15-89-15-90-15-91-15-125\"\u003eSinger Shuttle Race Cover – Part #125299\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.vintagesingerparts.com\/products\/original-bobbin-case-race-carrier-fits-singer-15-87-15-89-15-90-15-91\"\u003eOriginal Bobbin Case Race Carrier\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.vintagesingerparts.com\/products\/genuine-singer-oscillating-hook-part-125292-class-15-models\"\u003eGenuine Singer Oscillating Hook – Part #125292\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCondition\u003c\/h2\u003e\u003cp\u003eGenuine original Singer (Simanco) part in excellent condition. Natural patina consistent with age.\u003c\/p\u003e","brand":"CMSS","offers":[{"title":"Default Title","offer_id":31997825613922,"sku":"VO155","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/4681\/files\/IMG_2623.jpg?v=1774184486","url":"https:\/\/www.vintagesingerparts.com\/products\/singer-shuttle-race-back-spring-part-125302-fits-15-87-15-88-15-89-15-90-15-91-15-125-vintage-original","provider":"Central Michigan Sewing Supplies","version":"1.0","type":"link"}