{"product_id":"breaker-weight-spring-set-standard","title":"Breaker weight spring set. Standard","description":"With standard springs for stock advance curve; best for most OEM applications. OEM replacement reference 32605-70 (standard strength springs). Note: Using stronger than stock springs will give a slower advance curve and can be used to solve detonation (pinging) issues in high compression engines or poor fuel. Note: 516300 is standard replacement; 516301 is heavy duty; 516598 is extreme duty. Mixing different spring strengths will give additional fine-tuning options. Note: Stronger than stock springs may require carburetor adjustment.\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e 70-99 Big Twin (Excl. TC); 71-03 XL Sportster (NU). With mechanical advanced ignition\u003c\/p\u003e","brand":"MCS","offers":[{"title":"Default Title","offer_id":54238894784839,"sku":"516300","price":2.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0987\/7812\/0519\/files\/516300k.jpg?v=1784485616","url":"https:\/\/www.chopperessentials.com\/products\/breaker-weight-spring-set-standard","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}