{"product_id":"speedometer-block-off-plug-delete-speedo-port-for-th350-350-auto-transmission","title":"Speedometer Block Off Plug Delete Speedo Port For TH350 350 Auto Transmission","description":"\u003ch2\u003eSpeedometer Block Off Plug for TH350 Auto Transmission\u003c\/h2\u003e\u003cp\u003eThis speedometer block off plug seals the speedometer gear housing port on TH350 automatic transmissions to prevent fluid leaks when deleting the mechanical speedo cable.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis speedometer block off plug is engineered to seal unused mechanical speedo ports in custom vehicle builds. Ideal for builds using GPS-driven or electronic speedometers, this speedometer block off plug prevents transmission fluid from leaking. Drag racers and custom builders choose this speedometer block off plug to keep their undercarriage clean and dry.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBillet aluminum construction resists corrosion and mechanical wear.\u003c\/li\u003e\n\u003cli\u003eHigh-temperature O-ring seals prevent fluid leaks under pressure.\u003c\/li\u003e\n\u003cli\u003eDirect-fit sizing ensures a snug fit inside the original transmission port.\u003c\/li\u003e\n\u003cli\u003eSingle-bolt retention slot matches the standard GM clamp location.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor TH350 Automatic Transmission\u003c\/li\u003e\n\u003cli\u003efor Turbo 350 Transmission\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSealing transmission casings during electronic speed sensor conversions.\u003c\/li\u003e\n\u003cli\u003ePreventing fluid loss on custom classic car builds.\u003c\/li\u003e\n\u003cli\u003eBlocking debris from entering the transmission housing when speedo cable is removed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTH350 \/ Turbo 350\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBillet Aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeal Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRubber O-Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this delete plug require any modifications to the casing? \u003cstrong\u003eA:\u003c\/strong\u003e No, it slides directly into the original housing and secures using your existing retainer clamp.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this work on other GM transmissions like the TH400? \u003cstrong\u003eA:\u003c\/strong\u003e This plug is specifically sized for the TH350 speedo port and may not fit the larger openings of other models.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44788969766998,"sku":"SZ1E00018","price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_fae0a794-5a6d-4174-874f-98ee6727a2ed.jpg?v=1779936191","url":"https:\/\/www.solidspare.com\/products\/speedometer-block-off-plug-delete-speedo-port-for-th350-350-auto-transmission","provider":"Solid Spare","version":"1.0","type":"link"}