{"product_id":"moroso-72315","title":"Vacuum Advance Kit, Adjustable","description":"\u003cp\u003eVacuum Advance Kit; Adjustable; 1975-81 GM HEI Distributors; Built In Stop; Incl. 0.09375 in. Allen Wrench\/Instructions;\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAllows you to change the amount of ignition vacuum advance for maximum part-throttle performance while preventing harmful effects of spark knock (detonation)\u003c\/li\u003e\n\u003cli\u003eDial in as much spark advance as conditions permit—add more advance under light load conditions to improve throttle response and fuel economy, or limit spark advance in high compression engines and high load conditions to eliminate knock\u003c\/li\u003e\n\u003cli\u003eBuilt-in stop prevents the adjustment screw from \"backing out\" like other designs\u003c\/li\u003e\n\u003cli\u003ePerfect companion to Moroso HEI Advance Curve Kit No. 72300, below\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e Cancer and reproductive harm. See www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"Moroso","offers":[{"title":"Default Title","offer_id":67805377102191,"sku":"MOR 72315","price":62.4,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0401\/5308\/8154\/files\/72315_part.jpg?v=1792434314","url":"https:\/\/www.speedfactoryracing.net\/en-ca\/products\/moroso-72315","provider":"SpeedFactoryRacing","version":"1.0","type":"link"}