{"product_id":"holley-2300-4150-4160-annular-booster-insert-12-hole-500-i-d-silver-qft-aed-ccs","title":"Holley 2300 4150 4160 Annular Booster Insert 12 Hole .500 I.D. Silver QFT AED CCS","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnnular booster inserts with 12 discharge holes\u003c\/strong\u003e to improve fuel atomisation and throttle response\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e.500 inch internal diameter\u003c\/strong\u003e suitable for performance Holley-style carburettors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet construction\u003c\/strong\u003e supplied as a complete set of four inserts and four banjos\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese annular booster inserts are designed to upgrade or replace existing boosters in Holley-style carburettors, improving fuel atomisation and drivability across the rpm range. Each insert features twelve precisely sized discharge holes to deliver a finer fuel spray, helping reduce flat spots and improve throttle response.\u003c\/p\u003e\n\u003cp\u003eThe inserts press into the booster banjo and are supplied with matching billet annular booster banjos. Installation requires a swedging booster installation tool to correctly seat and secure the banjos.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert internal diameter:\u003c\/strong\u003e .500 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge holes:\u003c\/strong\u003e 12 holes, .062 inch each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePress-in surface diameter:\u003c\/strong\u003e .80 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall insert length:\u003c\/strong\u003e .88 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Silver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Billet aluminium\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eKit contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4 x annular booster inserts\u003c\/li\u003e\n\u003cli\u003e4 x annular booster banjos\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e A swedging booster installation tool is required for installation, or contact us for fitting service. Always confirm compatibility with your carburettor before purchase.\u003c\/p\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":47585056325795,"sku":"HP-45291S","price":185.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/6940\/7395\/files\/HP-45291S_Holley_QFT_AED_CCS_Billet_Annular_Booster_Insert_12_Hole_.500_I.D._Silver_a8873a00-32f7-4ace-92c5-a9bac0b4d6aa.png?v=1776516965","url":"https:\/\/crankys.com.au\/products\/holley-2300-4150-4160-annular-booster-insert-12-hole-500-i-d-silver-qft-aed-ccs","provider":"Cranky's Performance","version":"1.0","type":"link"}