{"title":"Tuning Tools \/ Knock","description":"","products":[{"product_id":"knockblock-g4-knb","title":"KnockBlock G4+ (KNB)","description":"\u003cp\u003eSKU 105-1000\u003cbr\u003eThe G4+ KnockBlock is an essential tool for tuning and can aid in the early detection of incorrect ignition timing, lean air\/fuel mixtures and mechanical issues. It is used it with ear buds, headphones or noise cancelling ear muffs and features special filtering to allow you to listen in and detect knock early.  \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eListen to one or two knock sensors\u003cbr\u003eSpecial filtering design improves signal to noise ratio\u003cbr\u003eCan be used with ear-buds, headphones or noise cancelling ear muffs\u003cbr\u003eLong life lithium rechargeable battery\u003cbr\u003eRugged CNC aluminium enclosure\u003cbr\u003eFlying lead headphones connector\u003cbr\u003eCan be used with all OEM knock sensors\u003cbr\u003eCan be used to interface directly to a laptop for recording of engine noise or knock sensor frequency analysis (using PCLink G4+)\u003c\/p\u003e\n\u003cp\u003ePlease note headphones with their own noise filtering may be unsuitable for use with the knock block.\u003c\/p\u003e\n\u003cp\u003eWhat’s in the Box?\u003cbr\u003eG4+ KnockBlock\u003cbr\u003e2 sensor looms (attached)\u003cbr\u003e1 headphone loom (attached)\u003cbr\u003eQuick Start Guide\u003cbr\u003e1 USB cable mini\u003cbr\u003e2 Bosch type doughnut OEM knock sensors\u003cbr\u003e2 small Link Engine Management stickers\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003cbr\u003eOperating\u003cbr\u003eInstall the knock sensor\/s in a suitable location on the engine (typically on a solid mounting point on the block near the cylinder head)\u003cbr\u003eIf only using one sensor, leave the unused sensor cable disconnected\u003cbr\u003eTurn the volume control clockwise until it clicks. The LED indicator will turn blue when the KnockBlock is operating\u003cbr\u003eTurn the volume to the minimum setting (most anti-clockwise)\u003cbr\u003eConnect headphones to the 3.5mm audio jack\u003cbr\u003eRun the engine and carefully increase the volume (clockwise) until engine mechanical noise can be heard. Adjust to a comfortable listening volume\u003cbr\u003eCharging\u003cbr\u003eTurn off the KnockBlock by turning the volume control anti-clockwise until it clicks\u003cbr\u003eConnect the USB charging cable to the KnockBlock’s Mini USB connector. Can be charged from any standard USB charger PC, laptop, car or cell phone charger (2.1A at 5V max)\u003cbr\u003eThe LED indicator will show red while charging. When the indicator turns off the battery is fully charged\u003cbr\u003eCharge the G4+ KnockBlock after use and before storage\u003c\/p\u003e","brand":"Rapid Performance","offers":[{"title":"Default Title","offer_id":49351205028082,"sku":null,"price":782.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3201\/6626\/files\/KNB.0.avif?v=1779957519"},{"product_id":"knocklink-g4-g4knl","title":"KnockLink G4 (G4KNL)","description":"\u003cp\u003eSKU 114-1000\u003cbr\u003eKnockLink is a self-calibrating, visual knock warning tool. The KnockLink is designed for tuning, street and race use. Will require a knock sensor to function (sold separately) or you can purchase the KnockLink Kit that includes the Knock Sensor and Loom.\u003cbr\u003eThe G4 KnockLink is the only detonation warning device on the market that requires no setup. Other systems require time consuming gain, frequency and noise settings to be adjusted. Without proper knock listening tools, this can prove difficult if not impossible. The KnockLink requires none of this, just wire in and start the engine.\u003cbr\u003eEven light detonation will damage an engine over time. The G4 KnockLink's microprocessor continuously scans the knock signal and warns for any knock occurring. The engine's RPM and load is automatically 3D profiled by the KnockLink, continuously storing and dynamically adjusting this noise profile map while looking for the particular knock frequency.\u003cbr\u003eOperation is simple. The colour of the LED represents four different modes:\u003cbr\u003eDim Blue - KnockLink is powered, waiting for the engine to be started\u003cbr\u003eFlashing Blue - KnockLink has detected the engine has started and is now calibrating\u003cbr\u003eDim Green - KnockLink is adapting to the engine's noise profile and listening for knock\u003cbr\u003eFlashing Red - KnockLink has detected knock. Avoid large throttle openings, seek professional advice\u003c\/p\u003e","brand":"Rapid Performance","offers":[{"title":"Default Title","offer_id":49351337902322,"sku":null,"price":356.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3201\/6626\/files\/knocklinkg4.avif?v=1779957621"},{"product_id":"g4-knocklink-kit-includes-knock-sensor-loom-g4knlk","title":"G4 KnockLink Kit - Includes Knock Sensor+Loom (G4KNLK)","description":"\u003cp\u003eSKU 114-2000\u003cbr\u003eKit includes the G4 KnockLink visual warning light and a knock sensor with loom. The KnockLink is a self-calibrating, visual knock warning tool. This kit is designed for tuning, street and race use.\u003c\/p\u003e\n\u003cp\u003eThe G4 KnockLink is the only detonation warning device on the market that requires no setup. Other systems require time consuming gain, frequency and noise settings to be adjusted. Without proper knock listening tools, this can prove difficult if not impossible. The KnockLink requires none of this, just wire in and start the engine.\u003c\/p\u003e\n\u003cp\u003eEven light detonation will damage an engine over time. The G4 KnockLink's microprocessor continuously scans the knock signal and warns for any knock occurring. The engine's RPM and load is automatically 3D profiled by the KnockLink, continuously storing and dynamically adjusting this noise profile map while looking for the particular knock frequency.\u003c\/p\u003e\n\u003cp\u003eOperation is simple. The colour of the LED represents four different modes:\u003c\/p\u003e\n\u003cp\u003eDim Blue - KnockLink is powered, waiting for the engine to be started\u003cbr\u003eFlashing Blue - KnockLink has detected the engine has started and is now calibrating\u003cbr\u003eDim Green - KnockLink is adapting to the engine's noise profile and listening for knock\u003cbr\u003eFlashing Red - KnockLink has detected knock. Avoid large throttle openings, seek professional advice\u003c\/p\u003e","brand":"Rapid Performance","offers":[{"title":"Default Title","offer_id":49351544307954,"sku":null,"price":511.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3201\/6626\/files\/knocklinkg4_ed1c182b-cb78-4280-a935-21233e79a84a.avif?v=1779957768"},{"product_id":"knock-sensor-kns","title":"Knock Sensor (KNS)","description":"\u003cp\u003eSKU 101-0053\u003cbr\u003eDonut style\u003cbr\u003e8mm hole\u003cbr\u003eIncludes plug and pin kit \u003c\/p\u003e","brand":"Rapid Performance","offers":[{"title":"Default Title","offer_id":49351725875442,"sku":null,"price":155.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3201\/6626\/files\/knocksensor.avif?v=1779957904"},{"product_id":"knock-sensor-with-loom-knsb","title":"Knock Sensor with Loom (KNSB)","description":"\u003cp\u003eSKU 101-0054\u003cbr\u003eDonut style 8mm Knock Sensor prewired with 2.6m loom, flying leads. \u003cbr\u003eSuitable to wire directly to Link ECU or use with the G4 Knocklink Visual Warning Light.\u003c\/p\u003e","brand":"Rapid Performance","offers":[{"title":"Default Title","offer_id":49351861666034,"sku":null,"price":172.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3201\/6626\/files\/knocksensorwithloom.jpg?v=1779958012"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3201\/6626\/collections\/Link_TUNING_TOOLS_KNOCK.png?v=1774928770","url":"https:\/\/www.rapidperformance.co.nz\/collections\/tuning-tools-knock.oembed","provider":"Rapid Performance","version":"1.0","type":"link"}