{"product_id":"empi-155-main-jet-for-empi-40k-kadron-brosol-solex-carburetors-porsche-914-1970-1976-43-5155-7","title":"EMPI 155 Main Jet for 40K\/Kadron\/Brosol\/Solex Carburetors — 1.55mm metering orifice | Porsche 914 (1970-1976) (43-5155-7)","description":"\u003ch2\u003eEMPI 155 Main Jet (43-5155-7) for EMPI 40K, Kadron, Brosol \u0026amp; Solex Carburetors\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe EMPI 43-5155-7 is a genuine 155 brass main jet with a 1.55mm calibrated orifice for EMPI 40K, Kadron, Brosol and Solex carburetors. It meters fuel at high rpm and wide-open throttle on air-cooled Type 1 and Type 4 engines, including the 1970-1976 Porsche 914. Sold as one threaded jet.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart numbers:\u003c\/strong\u003e EMPI 43-5155-7 \/ 4351557 \/ 43 5155 7 · 155 main jet\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eVehicle\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970–1976\u003c\/td\u003e\n\u003ctd\u003ePorsche 914\u003c\/td\u003e\n\u003ctd\u003eWith EMPI 40K, Kadron, Brosol or Solex carburetors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eAir-cooled Type 1 and Type 4 engines\u003c\/td\u003e\n\u003ctd\u003eWith EMPI 40K, Kadron, Brosol or Solex carburetors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIf you are unsure this fits your car, contact us with your year and model before ordering.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003e43-5155-7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eEMPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJet size\u003c\/td\u003e\n\u003ctd\u003e155\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrifice\u003c\/td\u003e\n\u003ctd\u003e1.55mm calibrated orifice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eBrass, threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit\u003c\/td\u003e\n\u003ctd\u003eMeters fuel at high rpm and wide-open throttle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarburetors\u003c\/td\u003e\n\u003ctd\u003eEMPI 40K, Kadron, Brosol and Solex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlace in the range\u003c\/td\u003e\n\u003ctd\u003eOne increment richer than the 150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTool\u003c\/td\u003e\n\u003ctd\u003eFlat screwdriver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoxed dimensions\u003c\/td\u003e\n\u003ctd\u003e2 x 1 x 1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping weight\u003c\/td\u003e\n\u003ctd\u003e0.01 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShips from\u003c\/td\u003e\n\u003ctd\u003eOrange, California\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhy It Matters\u003c\/h3\u003e\u003cp\u003eA stouter cam or a point more compression is thirstier than the book jet allows, and it shows the instant you flatten the pedal. The 155 main jet richens the wide-open circuit through a 1.55mm brass orifice, one step past the 150, and drops in with a flat screwdriver.\u003c\/p\u003e\u003cp\u003eThe 155 is one increment richer than the 150, for an engine with a stouter cam or more compression that wants more fuel at wide-open throttle.\u003c\/p\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\u003cp\u003eThe jet is threaded brass and swaps with a flat screwdriver. Fit it in place of the existing main jet in your 40K, Kadron, Brosol or Solex carburetor.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat carburetors does the EMPI 155 main jet fit?\u003c\/strong\u003e\u003cbr\u003eThe EMPI 43-5155-7 155 main jet fits EMPI 40K, Kadron, Brosol and Solex carburetors, used across air-cooled Type 1 and Type 4 engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 155 main jet 43-5155-7 fit a Porsche 914?\u003c\/strong\u003e\u003cbr\u003eYes. It fits the 1970-1976 Porsche 914 running EMPI 40K, Kadron, Brosol or Solex carburetors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does a main jet do in a Solex or Kadron carburetor?\u003c\/strong\u003e\u003cbr\u003eThe main jet is a calibrated brass orifice that meters fuel at wide-open throttle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should I use a 155 main jet?\u003c\/strong\u003e\u003cbr\u003eThe 155 is one increment richer than the 150, for an engine with a stouter cam or more compression that wants more fuel at wide-open throttle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size orifice is a 155 main jet?\u003c\/strong\u003e\u003cbr\u003eThe 155 flows for a 1.55mm opening. EMPI part number 43-5155-7.\u003c\/p\u003e\n\u003ch3\u003eExplore Related Categories\u003c\/h3\u003e\u003cp\u003eBrowse more from Washburn's Metal: \u003ca href=\"\/collections\/fuel-intake\"\u003eFuel \u0026amp; Intake\u003c\/a\u003e \u003ca href=\"\/collections\/porsche-914\"\u003ePorsche 914\u003c\/a\u003e \u003ca href=\"\/collections\/empi\"\u003eEMPI\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠ California Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"EMPI","offers":[{"title":"Default Title","offer_id":45308039725171,"sku":"43-5155-7","price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/43-5155-7-scaled.jpg?v=1785946667","url":"https:\/\/www.washburnsmetal.com\/products\/empi-155-main-jet-for-empi-40k-kadron-brosol-solex-carburetors-porsche-914-1970-1976-43-5155-7","provider":"Washburn's Metal","version":"1.0","type":"link"}