{"product_id":"holley-quickchange-vacuum-secondary-housing-cover-20-59","title":"Holley Quickchange Vacuum Secondary Housing Cover 20-59","description":"\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFaster spring changes\u003c\/strong\u003e - Gives easier access to the vacuum secondary spring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick-change design\u003c\/strong\u003e - Reduces the time needed to tune the vacuum secondary system.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x 4 bbl application\u003c\/strong\u003e - Built for compatible vacuum secondary 4-barrel carburettors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eHolley 20-59 is a quickchange vacuum secondary housing cover for compatible 1 x 4 bbl carburettors. It makes vacuum secondary spring changes easier by providing access without removing the full housing assembly each time. This is a useful tuning upgrade for cars that need repeated secondary spring adjustment.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible vacuum secondary 1 x 4 bbl carburettor applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePart Number: 20-59\u003c\/li\u003e\n  \u003cli\u003eBrand: Holley\u003c\/li\u003e\n  \u003cli\u003eProduct Type: Quickchange vacuum secondary housing cover\u003c\/li\u003e\n  \u003cli\u003eApplication: Cover-diaphragm housing 1 x 4 bbl\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePart 20-59 is a Holley quickchange vacuum secondary housing cover for compatible 1 x 4 bbl carburettors. This Holley vacuum secondary tuning part gives easier access to the spring for quicker adjustment changes.\u003c\/p\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":44017712595041,"sku":"HOL-20-59","price":55.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/2282\/5057\/files\/Holley-20-59-Quickchange-Vacuum-Secondary-Housing-Cover-1.jpg?v=1776348856","url":"https:\/\/carbparts.com.au\/products\/holley-quickchange-vacuum-secondary-housing-cover-20-59","provider":"Carb Parts","version":"1.0","type":"link"}