{"product_id":"voripo-carburetor-rebuild-kit-for-holley-4160-600-850-cfm-vacuum-secondary-complete-needles-diaphragms-gaskets","title":"VORIPO Carburetor Rebuild Kit for Holley 4160 600–850 CFM Vacuum Secondary — Complete needles, diaphragms \u0026 gaskets","description":"\u003cp\u003e\u003cstrong\u003eVORIPO's Carburetor Rebuild Kit is a complete vacuum-secondary rebuild set engineered to restore performance and reliability to Holley 4160-series 600–850 CFM carburetors.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit gathers the common wear items needed to service vacuum-secondary Holley 4160-style carburetors and compatible aftermarket models. It replaces old, hardened, or leaking components—needles, seats, gaskets, diaphragms and related seals—using durable materials selected for street and performance use. The parts list covers high-flow needle and seats, power valve, accelerator pump components, and a full complement of gaskets and seals so you can rebuild the carburetor without hunting multiple individual pieces.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this rebuild kit restore my carburetor's function?\u003c\/h3\u003e\n\u003cp\u003eReplacing aged internal parts corrects common failure points—fuel leaks, poor throttle response and inconsistent idle. New needles and seats improve fuel metering; fresh diaphragms and check valves return proper accelerator pump action; gaskets stop air and fuel leaks. Together these repairs help the carburetor operate closer to factory specification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-flow 110\" needle and seats for improved metering accuracy\u003c\/li\u003e\n  \u003cli\u003e30CC accelerator pump diaphragm, check valve, and brass seat for reliable throttle response\u003c\/li\u003e\n  \u003cli\u003e6.5 power valve to maintain correct enrichment under load\u003c\/li\u003e\n  \u003cli\u003eNon-stick bowl and metering gaskets to prevent leaks and simplify installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit fit my Holley 4160 or similar carburetor?\u003c\/h3\u003e\n\u003cp\u003eThe VORIPO kit is made for Holley 4160 vacuum-secondary carburetors in the 600–850 CFM range and several Quick Fuel\/3-200 and Speed\/Road Demon variants. It lists specific Holley and aftermarket part numbers it replaces—always confirm your carburetor's model and part numbers before ordering. Compatibility covers many common 4160 applications so it suits a wide range of rebuild projects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Holley 4160-series 600, 650, 670, 750, 770, 800+ CFM vacuum-secondary models\u003c\/li\u003e\n  \u003cli\u003eWorks with Quick Fuel 4150\/3-200 and Road\/Speed Demon vacuum secondary types\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM numbers such as 37-119, 37-720, 37-754 and kit numbers like 159064\u003c\/li\u003e\n  \u003cli\u003eCheck your carburetor's stamped or listed part number to confirm fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich parts are included and how do they improve reliability?\u003c\/h3\u003e\n\u003cp\u003eThis rebuild pack groups both metering and sealing components so you can address the most common failure items in one go. New sealing surfaces and crush washers prevent leaks at the fuel inlets and bowls; internal pump and power valve parts restore consistent fueling across throttle ranges. The inclusion of transfer tube seals and multiple gaskets reduces the chance of vacuum leaks after reassembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFuel metering: high-flow needle \u0026amp; seats and transfer tube seals\u003c\/li\u003e\n  \u003cli\u003eFuel delivery: 30CC pump diaphragm plus brass pump check valve and diaphragm\u003c\/li\u003e\n  \u003cli\u003eEnrichment control: 6.5 power valve for proper load response\u003c\/li\u003e\n  \u003cli\u003eSealing kit: non-stick bowl\/metering gaskets, open base gasket, choke gasket, crush washers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This kit is designed for mechanics, restoration enthusiasts, and performance DIYers working on Holley 4160 vacuum-secondary carburetors or compatible Quick Fuel\/Demon models. If your engine shows signs of fuel leakage, sluggish throttle response, bogging on acceleration, or general carburetor age, this comprehensive set supplies the common replacement parts needed for a thorough rebuild. Always verify part numbers and your carburetor model before purchase; VORIPO also encourages contacting support with fitment questions if you are unsure.\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: Does this rebuild kit include power valve and accelerator pump parts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit contains a 6.5 power valve, 30CC accelerator pump diaphragm, brass check valve and related pump seals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this for a Quick Fuel or Demon vacuum-secondary carburetor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Generally yes. It fits many Quick Fuel\/3-200 and Road\/Speed Demon vacuum-secondary models—verify your carburetor's part number first.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"VORIPO","offers":[{"title":"Default Title","offer_id":48084372979870,"sku":"B0F245B8VH","price":33.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/voripo-carburetor-rebuild-kit-front-packaging.jpg?v=1785852113","url":"https:\/\/northtrailauto.ca\/products\/voripo-carburetor-rebuild-kit-for-holley-4160-600-850-cfm-vacuum-secondary-complete-needles-diaphragms-gaskets","provider":"North Trail Auto","version":"1.0","type":"link"}