{"product_id":"granatelli-zero-error-precision-spark-plug-gapping-tool-540109","title":"Zero Error Precision Spark Plug Gapping Tool – 540109 - Granatelli Motor Sports","description":"\u003cdiv class=\"gms-tool-product\" style=\"max-width:100%; color:#1d1d1d;\"\u003e\n\n\u003c!-- PRECISION TOOL HERO --\u003e\n\u003cdiv style=\"border:2px solid #3f3f3f; border-radius:14px; padding:28px 26px; margin-bottom:20px; background:#e9e9e9; box-shadow:0 5px 14px rgba(0,0,0,0.10); border-left:7px solid #d96b27;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.7px; color:#b9561f; margin:0 0 7px;\"\u003eGRANATELLI PRECISION IGNITION TOOLS\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:28px; line-height:1.25; font-weight:900; color:#111111; margin:0 0 11px;\"\u003eDON’T EYEBALL YOUR SPARK PLUG GAP — SET IT.\u003c\/h2\u003e\n\n\u003cp style=\"font-size:16px; line-height:1.7; margin:0 0 10px;\"\u003eThe \u003cstrong\u003eGranatelli 540109 Spark Plug Gapping Tool\u003c\/strong\u003e gives racers, engine builders and performance enthusiasts a controlled way to accurately adjust \u003cstrong\u003espark plug electrode gap\u003c\/strong\u003e without relying on crude bending or guesswork.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.7; margin:0;\"\u003eDesigned for repeatable \u003cstrong\u003espark plug gap adjustment\u003c\/strong\u003e, it is especially useful for turbocharged, supercharged and high-boost engines where the correct plug gap can make the difference between clean ignition and a misfire under load.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- PERFORMANCE STRIP --\u003e\n\u003cdiv style=\"border:2px solid #4a4a4a; border-radius:12px; overflow:hidden; margin-bottom:20px; background:#333333;\"\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\n\u003ctd style=\"width:33.33%; padding:18px 12px; text-align:center; border-right:1px solid #666666;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:900; color:#ffffff;\"\u003ePRECISE\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; letter-spacing:1px; color:#f0a16f; margin-top:4px;\"\u003eGAP ADJUSTMENT\u003c\/div\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:33.33%; padding:18px 12px; text-align:center; border-right:1px solid #666666;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:900; color:#ffffff;\"\u003eREPEATABLE\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; letter-spacing:1px; color:#f0a16f; margin-top:4px;\"\u003eENGINE SETUP\u003c\/div\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:33.33%; padding:18px 12px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:900; color:#ffffff;\"\u003eCONTROLLED\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; letter-spacing:1px; color:#f0a16f; margin-top:4px;\"\u003eELECTRODE MOVEMENT\u003c\/div\u003e\n\u003c\/td\u003e\n\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- WHY GAP MATTERS --\u003e\n\u003cdiv style=\"border:2px solid #8a8a8a; border-radius:12px; padding:22px; margin-bottom:20px; background:#f1f1f1;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.4px; color:#b9561f; margin:0 0 5px;\"\u003eIGNITION BASICS THAT ACTUALLY MATTER\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:22px; font-weight:900; margin:0 0 10px;\"\u003eWhy Spark Plug Gap Matters\u003c\/h3\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.7; margin:0;\"\u003eSpark plug gap directly affects how the ignition system fires the air\/fuel mixture. On \u003cstrong\u003ehigh-performance, turbocharged and supercharged engines\u003c\/strong\u003e, increased cylinder pressure can make the spark harder to maintain. A properly set plug gap helps support consistent ignition and reduces the chance of misfire under load.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- SIMPLE PROCESS --\u003e\n\u003cdiv style=\"border:2px solid #858585; border-radius:12px; padding:22px; margin-bottom:20px; background:#ececec;\"\u003e\n\n\u003ch3 style=\"font-size:22px; font-weight:900; margin:0 0 14px;\"\u003ePrecision Without the Guesswork\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:separate; border-spacing:8px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\n\u003ctd style=\"width:33.33%; padding:17px 14px; border:1px solid #aaa; border-radius:9px; background:#fafafa; vertical-align:top;\"\u003e\n\u003cdiv style=\"font-size:12px; font-weight:900; color:#d26628; margin-bottom:5px;\"\u003e01\u003c\/div\u003e\n\u003cstrong\u003eSecure the Plug\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px; line-height:1.55;\"\u003ePosition the spark plug for controlled adjustment.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:33.33%; padding:17px 14px; border:1px solid #aaa; border-radius:9px; background:#fafafa; vertical-align:top;\"\u003e\n\u003cdiv style=\"font-size:12px; font-weight:900; color:#d26628; margin-bottom:5px;\"\u003e02\u003c\/div\u003e\n\u003cstrong\u003eAdjust Gradually\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px; line-height:1.55;\"\u003eMove the electrode in small, controlled increments.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:33.33%; padding:17px 14px; border:1px solid #aaa; border-radius:9px; background:#fafafa; vertical-align:top;\"\u003e\n\u003cdiv style=\"font-size:12px; font-weight:900; color:#d26628; margin-bottom:5px;\"\u003e03\u003c\/div\u003e\n\u003cstrong\u003eMeasure \u0026amp; Verify\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px; line-height:1.55;\"\u003eConfirm the final gap with the proper measuring gauge.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- WHO IT IS FOR --\u003e\n\u003cdiv style=\"border:2px solid #575757; border-radius:12px; padding:22px; margin-bottom:20px; background:#3b3b3b; color:#ffffff;\"\u003e\n\n\u003ch3 style=\"font-size:21px; font-weight:900; color:#ffffff; margin:0 0 12px;\"\u003eBuilt for the Workbench, Race Trailer or Garage\u003c\/h3\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.9; color:#f4f4f4; margin:0;\"\u003e\n\u003cspan style=\"color:#f0a16f;\"\u003e●\u003c\/span\u003e Turbocharged Engines   \n\u003cspan style=\"color:#f0a16f;\"\u003e●\u003c\/span\u003e Supercharged Engines   \n\u003cspan style=\"color:#f0a16f;\"\u003e●\u003c\/span\u003e High-Boost Builds   \n\u003cspan style=\"color:#f0a16f;\"\u003e●\u003c\/span\u003e Race Engines   \n\u003cspan style=\"color:#f0a16f;\"\u003e●\u003c\/span\u003e Street Performance   \n\u003cspan style=\"color:#f0a16f;\"\u003e●\u003c\/span\u003e Engine Builders\n\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- WHY THIS TOOL --\u003e\n\u003cdiv style=\"border:2px solid #8a8a8a; border-radius:12px; padding:22px; margin-bottom:20px; background:#eeeeee;\"\u003e\n\n\u003ch3 style=\"font-size:21px; font-weight:900; margin:0 0 12px;\"\u003eWhy Use a Dedicated Spark Plug Gapping Tool?\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:separate; border-spacing:8px;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"width:50%; padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ More Controlled Adjustment\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px;\"\u003eHelps move the electrode gradually instead of bending it aggressively.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"width:50%; padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Repeatable Plug Setup\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px;\"\u003eMakes it easier to prepare an entire set of spark plugs consistently.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Performance Engine Friendly\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px;\"\u003eUseful when plug gap is being adjusted around boost, ignition output or tuning requirements.\u003c\/span\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"padding:14px; border:1px solid #aaa; border-radius:8px; background:#fafafa;\"\u003e\n\u003cstrong\u003e✓ Shop-Grade Construction\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"font-size:14px;\"\u003eDesigned for repeated garage, engine-shop and trackside use.\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- SPECS --\u003e\n\u003cdiv style=\"border:2px solid #777777; border-radius:12px; padding:22px; margin-bottom:20px; background:#e8e8e8;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.4px; color:#b9561f; margin:0 0 5px;\"\u003eTOOL DETAILS\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:21px; font-weight:900; margin:0 0 12px;\"\u003eProduct Specifications\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; background:#fafafa;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr style=\"background:#dddddd;\"\u003e\n\u003ctd style=\"width:42%; padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003e540109\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003eSpark Plug Gapping \/ Adjustment Tool\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#dddddd;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003ePrimary Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003eControlled Spark Plug Gap Adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003eRecommended Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003eStreet, Performance, Turbo, Supercharged \u0026amp; Racing Engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#dddddd;\"\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:11px; border:1px solid #aaa;\"\u003eUniversal Performance Tool\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- IMPORTANT SETUP NOTE --\u003e\n\u003cdiv style=\"border:2px solid #d16a2d; border-radius:12px; background:#f5e5d8; padding:19px 20px;\"\u003e\n\n\u003cp style=\"font-size:12px; font-weight:900; letter-spacing:1.3px; color:#a84818; margin:0 0 5px;\"\u003eSPARK PLUG SETUP NOTE\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px; line-height:1.65; margin:0;\"\u003e\u003cstrong\u003eThere is no universal “best” spark plug gap.\u003c\/strong\u003e Always set the plug gap according to the engine combination, spark plug manufacturer, ignition system, boost level and tuner or engine-builder recommendation. Measure the final gap with a proper spark plug gap gauge after adjustment.\u003c\/p\u003e\n\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":56799141167244,"sku":"540109","price":138.36,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0384\/8208\/3980\/files\/F198648421.jpg?v=1788813837","url":"https:\/\/fiperformance.com\/en-ca\/products\/granatelli-zero-error-precision-spark-plug-gapping-tool-540109","provider":"FI Performance","version":"1.0","type":"link"}