{"product_id":"improved-racing-performance-coolant-port-plug-for-gm-gen-iii-v-ls-lt-engines","title":"Improved Racing - Performance Coolant Port Plug for GM Gen III-V LS \u0026 LT Engines","description":"\u003cul\u003e\n\u003cli\u003eCoolant plug for all GM Gen III, IV, and V small block engines.\u003c\/li\u003e\n\u003cli\u003eSuperior quality to OEM part numbers 11611351 and 12561663.\u003c\/li\u003e\n\u003cli\u003ePrecision machined from steel and clear zinc-plated.\u003c\/li\u003e\n\u003cli\u003eRubber bonded sealing washer made from zinc-plated steel and nitrile rubber with a self-centering feature.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"data item content allow\" aria-labelledby=\"tab-label-description\" id=\"description\" data-role=\"content\" role=\"tabpanel\" aria-hidden=\"false\"\u003e\n\u003cdiv class=\"product attribute description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cp\u003eAll of GM's Gen III, IV, and V small block engines use the same plug to cap off the coolant passage on the driver's side of the engine block. The OEM plug from GM suffers issues with poor quality, poor availability, and high cost, so we decided to machine our own. These are the same plugs included in Improved Racing's oil cooler kits.\u003c\/p\u003e\n\u003cp\u003eImproved Racing's coolant port plug is machined from steel and clear zinc-plated for durability. These plugs are much higher quality and lower in cost than the OEM plugs. Instead of using thread sealant paste like the OEM plugs, we include a sealing washer made from zinc-plated steel and nitrile rubber. \u003c\/p\u003e\n\u003cp\u003eThis coolant plug is required when deleting the factory oil cooler on the 2010+ Chevrolet Camaro, 2009+ Chevrolet Corvette, Cadillac CTS-V, and most other vehicles equipped with the factory water-to-oil cooler.\u003c\/p\u003e\n\u003cp\u003eThe plug has a Metric M28 x 1.25 mm straight thread and internal hex for torquing and removal.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eM28 x 1.25 mm thread with internal hex.\u003c\/li\u003e\n\u003cli\u003ePrecision machined from steel and clear zinc-plated.\u003c\/li\u003e\n\u003cli\u003eRubber bonded sealing washer made from zinc-plated steel and nitrile rubber with a self-centering feature.\u003c\/li\u003e\n\u003cli\u003eBetter than the OEM plugs, part numbers 11611351 and 12561663.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAll Generation III, IV, and V GM small block engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data item content allow\" aria-labelledby=\"tab-label-additional\" id=\"additional\" data-role=\"content\" role=\"tabpanel\" aria-hidden=\"false\"\u003e\n\u003cdiv class=\"additional-attributes-wrapper table-wrapper\"\u003e\n\u003ctable class=\"data table additional-attributes\" id=\"product-attribute-specs-table\"\u003e\n\u003ccaption class=\"table-caption\"\u003eSpecifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003ePart #\u003c\/th\u003e\n\u003ctd class=\"col data fried\" data-th=\"Part #\"\u003e\n\u003cdiv\u003ePLM-M28\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003ePrimary Material\u003c\/th\u003e\n\u003ctd class=\"col data fried\" data-th=\"Primary Material\"\u003e\n\u003cdiv\u003eZinc-plated steel\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eFinish\u003c\/th\u003e\n\u003ctd class=\"col data fried\" data-th=\"Finish\"\u003e\n\u003cdiv\u003eZinc Plated\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eColor\u003c\/th\u003e\n\u003ctd class=\"col data fried\" data-th=\"Color\"\u003e\n\u003cdiv\u003eNatural\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"col data fried\" data-th=\"Brand\"\u003e\n\u003cdiv\u003eImproved Racing\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Improved Racing","offers":[{"title":"Default Title","offer_id":47400087224507,"sku":"PLM-M28","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/9556\/2683\/files\/image_895a3f46-264a-433a-8702-c0590a50dda4.jpg?v=1770033290","url":"https:\/\/drifthq.com\/pt\/products\/improved-racing-performance-coolant-port-plug-for-gm-gen-iii-v-ls-lt-engines","provider":"Drift HQ","version":"1.0","type":"link"}