{"product_id":"dha-carburetor-vacuum-synchronizer-gauge-set-4-gauge-carb-sync-kit-with-hoses-adapters","title":"DHA Carburetor Vacuum Synchronizer Gauge Set — 4-Gauge Carb Sync Kit with Hoses \u0026 Adapters","description":"\u003cstrong\u003eCompact 4-gauge vacuum synchronizer by DHA that lets you balance and tune up to four carburetors or throttle bodies accurately.\u003c\/strong\u003e\n\n\u003cp\u003eIf your bike, small engine, or performance vehicle is running unevenly, the root cause is often mismatched intake vacuum between cylinders. The DHA Carburetor Vacuum Synchronizer Gauge Set supplies four individual vacuum gauges, multiple adapter hoses and fittings, and a molded carrying case so you can measure and equalize vacuum readings quickly and repeatably.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit make carburetor synchronization easier?\u003c\/h3\u003e\n\u003cp\u003eThe kit provides four precision gauges so you can read each carb throat or intake runner at the same time, avoiding guesswork and repeated adjustments. Each gauge has damping and calibration controls to stabilize readings and reset needle zero for accurate measurement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFour calibrated vacuum gauges read simultaneously for direct comparison.\u003c\/li\u003e\n  \u003cli\u003eIndividual damping screws let you steady fluctuating needles.\u003c\/li\u003e\n  \u003cli\u003eCalibration screws allow zeroing before use for consistent results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat adapters and hoses are included for different engines?\u003c\/h3\u003e\n\u003cp\u003eDHA includes a broad selection of connectors and hose lengths to fit most motorcycle and small-engine vacuum ports — long and short adaptors, metric threaded fittings, and conical joiners for push-fit connections. The variety ensures you can reach awkward intake locations without stretching or disconnecting other components.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFour 29.5-inch rubber hoses for extended reach.\u003c\/li\u003e\n  \u003cli\u003eMultiple M5 and M6 threaded connectors plus conical adaptors to fit common ports.\u003c\/li\u003e\n  \u003cli\u003eA compact molded case keeps fittings organized and protects gauges on the move.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this kit to diagnose other vacuum or fuel issues?\u003c\/h3\u003e\n\u003cp\u003eYes — beyond synchronizing carburetors, the gauges help spot leaks, weak vacuum circuits, and irregular fuel pump behavior by comparing expected vacuum patterns across ports. You can also use the set to test mechanical and electrical fuel pumps and confirm vacuum-actuated accessories are functioning.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDetect uneven vacuum that signals leaking hoses or intake gaskets.\u003c\/li\u003e\n  \u003cli\u003eCompare readings to determine fuel pump irregularities or worn parts.\u003c\/li\u003e\n  \u003cli\u003eUseful for carb tuning on motorcycles, boats, small cars, and A\/C vacuum motors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I keep readings accurate and prolong tool life?\u003c\/h3\u003e\n\u003cp\u003eCalibrate all four gauges to zero before every session and use the damping controls to reduce needle flutter. Store the kit in its molded case, avoid sharp bends in the rubber hoses, and keep the glass lenses clean to maintain visibility and instrument longevity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse a flat-head screwdriver to set each gauge pointer to zero before use.\u003c\/li\u003e\n  \u003cli\u003eApply damping to stabilize needles during idling tests.\u003c\/li\u003e\n  \u003cli\u003eReturn fittings to the case after use to prevent loss or damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Technicians, home mechanics, and riders who want a reliable, portable way to tune multi-carb motorcycles, small performance engines, or vacuum-driven accessories. If you work on 2–4 carburetor systems and need repeatable, side-by-side vacuum readings — whether for routine maintenance, track prep, or troubleshooting — the DHA 4-gauge synchronizer supplies the gauges, hoses, and adapters required to get precise balance without multiple trips to a shop.\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 this synchronizer fit my motorcycle carburetors?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes multiple M5 and M6 connectors plus conical adaptors and long hoses to fit most 2–4 carb setups; check your port sizes to confirm compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I zero the gauges before use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Open the metal cap and turn the small screw on each gauge face with a flat-head screwdriver until the needle rests at zero.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DHA","offers":[{"title":"Default Title","offer_id":48084178567326,"sku":"B0CZSNDWVF","price":73.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/dha-front-case-and-gauges.jpg?v=1785848533","url":"https:\/\/northtrailauto.ca\/products\/dha-carburetor-vacuum-synchronizer-gauge-set-4-gauge-carb-sync-kit-with-hoses-adapters","provider":"North Trail Auto","version":"1.0","type":"link"}