{"product_id":"empi-1-20-main-jet-hpmx-idf-ida-dcoe-43-5303-0","title":"EMPI 1.20 Main Jet for HPMX\/IDF\/IDA\/DCOE Carburetors — 1.20mm metering orifice | Porsche 914 (1970-1976) (43-5303-0)","description":"\u003cp\u003e\u003cstrong\u003eThe EMPI 43-5303-0 is a genuine EMPI 1.20 main jet with a 1.20mm calibrated brass orifice for EMPI 40\/44 HPMX, Weber 40\/44\/48 IDF, EPC 48\/51, 48 IDA and DCO\/DCOE carburetors. It meters fuel at high rpm and wide-open throttle on air-cooled engines, including the 1970–1976 Porsche 914. Threaded; swaps with a flat screwdriver.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart numbers:\u003c\/strong\u003e EMPI 43-5303-0 \/ 4353030 \/ 43 5303 0\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 with 40\/44 HPMX, 40\/44\/48 IDF, 48\/51, 48 IDA or DCO\/DCOE\u003c\/td\u003e\n\u003ctd\u003eListed fitment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eAir-cooled engines running those carburetors\u003c\/td\u003e\n\u003ctd\u003eFits by carburetor, not by chassis\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\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEMPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003e43-5303-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eMain jet (threaded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e1.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarburetors\u003c\/td\u003e\n\u003ctd\u003eEMPI 40\/44 HPMX; Weber 40\/44\/48 IDF; EPC 48\/51; 48 IDA; DCO\/DCOE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrifice\u003c\/td\u003e\n\u003ctd\u003e1.20mm calibrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\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\u003eBoxed dimensions (as listed)\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 (as listed)\u003c\/td\u003e\n\u003ctd\u003e0.024 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhy It Matters\u003c\/h3\u003e\u003cp\u003ePlenty of 40\/44 HPMX and IDF street setups find their footing right here, where the wide-open circuit stops fighting the throttle. The 1.20 main jet, a 1.20mm brass orifice, is the common baseline you jet up to when a 1.15 leans out at full song.\u003c\/p\u003e\n\u003ch3\u003eInstallation Notes\u003c\/h3\u003e\u003cp\u003eThreaded brass jet; it swaps with a flat screwdriver.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat carburetors does the EMPI 43-5303-0 main jet fit?\u003c\/strong\u003e\u003cbr\u003eIt threads into EMPI 40\/44 HPMX, Weber 40\/44\/48 IDF, EPC 48\/51, 48 IDA and DCO\/DCOE carburetors, including on the 1970–1976 Porsche 914.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does a 1.20 main jet do on a Weber IDF or HPMX?\u003c\/strong\u003e\u003cbr\u003eThe main jet is a calibrated brass orifice that meters fuel at wide-open throttle. The 1.20 has a 1.20mm opening, a common mid-range size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I change a main jet on an IDF or HPMX carburetor?\u003c\/strong\u003e\u003cbr\u003eIt is a threaded brass jet that swaps with a flat screwdriver.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the EMPI part number for the 1.20 IDF\/HPMX main jet?\u003c\/strong\u003e\u003cbr\u003eEMPI part number 43-5303-0 (also searched as 4353030).\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":45308095496307,"sku":"43-5303-0","price":7.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/43-5303-0-scaled.jpg?v=1785946732","url":"https:\/\/www.washburnsmetal.com\/products\/empi-1-20-main-jet-hpmx-idf-ida-dcoe-43-5303-0","provider":"Washburn's Metal","version":"1.0","type":"link"}