{"product_id":"edelbrock-performer-series-carburetor-calibration-kit-1487-metering-rods-jets-springs-for-1406-tuning","title":"Edelbrock Performer Series Carburetor Calibration Kit 1487 — metering rods, jets \u0026 springs for #1406 tuning","description":"\u003cp\u003e\u003cstrong\u003eThe Edelbrock 1487 Performer Series Carburetor Calibration Kit is a complete set of metering rods, jets, springs and hardware designed to fine-tune Performer carburetors for optimal throttle response and fuel metering.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your engine is fitted with an Edelbrock Performer Series carburetor and you want to dial in fueling across different loads and conditions, this calibration kit supplies the commonly needed parts to do it. The kit is assembled for compatibility with part #1406 and provides a range of metering rods, jets, step-up springs and retaining hardware so you can test combinations and achieve smoother operation, better throttle transitions, and more consistent performance.\u003c\/p\u003e\n\n\u003ch3\u003eWhat parts are included in the 1487 calibration kit?\u003c\/h3\u003e\n\n\u003cp\u003eThis kit groups the essential metering components and related springs into one assortment so you have options during tuning sessions. Parts are organized for immediate use and to match common service needs for Performer models.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMultiple metering rods covering different tapers for rich-to-lean adjustments.\u003c\/li\u003e\n  \u003cli\u003eA selection of main and idle jets to change base fuel flow.\u003c\/li\u003e\n  \u003cli\u003eStep-up springs for controlling circuit engagement and transition strength.\u003c\/li\u003e\n  \u003cli\u003ePair of metering rod retaining springs and miscellaneous mounting hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will these components affect drivability and throttle response?\u003c\/h3\u003e\n\n\u003cp\u003eChanging metering rods, jets and step-up springs gives you control over how the carburetor meters fuel during idle, part-throttle, and full-throttle. Small incremental changes let you reduce hesitation, improve throttle tip-in, or lean the mixture where desired, without replacing the entire carburetor.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSwap rods to alter fuel enrichment curves at different throttle openings.\u003c\/li\u003e\n  \u003cli\u003eTry different jets to modify overall fuel volume and base mixture.\u003c\/li\u003e\n  \u003cli\u003eStep-up springs adjust how and when richer circuits engage for smooth transitions.\u003c\/li\u003e\n  \u003cli\u003eRetaining springs keep metering rods secure under vibration and load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this kit compatible with my Edelbrock Performer carburetor?\u003c\/h3\u003e\n\n\u003cp\u003eThe 1487 kit is specified to fit with Edelbrock part #1406 and is intended for Performer Series carburetors that use the same metering system. If your carburetor is a Performer Series model, review the carburetor part number and mounting details to confirm fitment before purchasing.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDesigned around Edelbrock Performer Series hardware and dimensions.\u003c\/li\u003e\n  \u003cli\u003eBest suited for roadside tuning and workshop dialing of part #1406-equipped carbs.\u003c\/li\u003e\n  \u003cli\u003eNot a universal kit — confirm carburetor compatibility first.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use this kit when tuning my carburetor?\u003c\/h3\u003e\n\n\u003cp\u003eStart by recording the carburetor’s current components and engine behavior, then change one item at a time while road-testing or dyno-checking. Keep a log of each change and resulting performance so you can identify the optimal combination for your engine, altitude and driving style.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDocument initial jet, rod and spring settings before swapping parts.\u003c\/li\u003e\n  \u003cli\u003eMake single-component changes and test drive to isolate effects.\u003c\/li\u003e\n  \u003cli\u003eUse the provided retaining springs and hardware for secure installation.\u003c\/li\u003e\n  \u003cli\u003eConsider environmental factors—altitude and temperature influence tuning choices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Edelbrock 1487 Performer Series Carburetor Calibration Kit is aimed at enthusiasts, professional tuners, and mechanics who maintain or tune Edelbrock Performer carburetors—especially those using part #1406. It’s suitable for street cars, classic restorations and mild performance builds where precise fuel metering and smooth throttle transitions matter. If you need a straightforward parts assortment to experiment with metering rod tapers, main\/idle jet sizes and step-up springs, this kit gives you the components to refine your carburetor without wholesale replacement.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the 1487 kit fit my Performer carburetor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This kit is designed for Edelbrock Performer carburetors compatible with part #1406. Verify your carburetor part number before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include metering rod retaining springs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit contains a pair of metering rod retaining springs plus a range of rods, jets and step-up springs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":55169094680919,"sku":"B00062YBTS","price":87.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/edelbrock-1487-kit-parts-layout.jpg?v=1790418509","url":"https:\/\/britishgarage.co.uk\/products\/edelbrock-performer-series-carburetor-calibration-kit-1487-metering-rods-jets-springs-for-1406-tuning","provider":"British Garage","version":"1.0","type":"link"}