{"product_id":"vacuum-port-cap-plug-plate-ls-sc-blower-551383-for-lsa-ls9-lt4","title":"Vacuum Port Cap Plug Plate LS SC Blower 551383 For LSA LS9 LT4","description":"\u003ch2\u003eVacuum Port Cap Plug Plate\u003c\/h2\u003e\u003cp\u003eThis vacuum port cap plug plate seals off unused ports on supercharged intake manifolds of LSA, LS9, and LT4 engines, referencing part number 551383.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis heavy-duty vacuum port cap plug plate is engineered to block off the rear vacuum port on high-performance supercharged engines. Built for customized builds and custom supercharger swaps, this block-off plate prevents unmetered air leaks. This vacuum port cap plug plate helps maintain stable boost pressure and smooth engine idling.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCNC-machined from lightweight aluminum for strength and longevity\u003c\/li\u003e\n\u003cli\u003eAnodized finish prevents corrosion and wear under high-heat conditions\u003c\/li\u003e\n\u003cli\u003eIncludes a premium rubber seal to ensure a leak-free fit\u003c\/li\u003e\n\u003cli\u003ePrecision-drilled mounting holes allow a direct bolt-on installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor LSA Engine\u003c\/li\u003e\n\u003cli\u003efor LS9 Engine\u003c\/li\u003e\n\u003cli\u003efor LT4 Engine\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePlugging the bypass vacuum port on custom supercharger engine swaps\u003c\/li\u003e\n\u003cli\u003ePreventing boost leaks that can lead to engine power loss\u003c\/li\u003e\n\u003cli\u003eNeatening engine bays by deleting unnecessary vacuum lines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e551383\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\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlock-Off Plate\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 plate include mounting hardware? \u003cstrong\u003eA:\u003c\/strong\u003e Please reuse your original factory bolts or source compatible replacement screws for installation, as hardware is not included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Why is sealing the supercharger vacuum port important? \u003cstrong\u003eA:\u003c\/strong\u003e Any unsealed vacuum port allows unmetered air into the engine, causing lean fuel mixtures and rough idling.\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":44788876902486,"sku":"SZ1E00132","price":25.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_6bcdd02f-e0f1-4996-9e58-95a69886af79.jpg?v=1779932553","url":"https:\/\/www.solidspare.com\/products\/vacuum-port-cap-plug-plate-ls-sc-blower-551383-for-lsa-ls9-lt4","provider":"Solid Spare","version":"1.0","type":"link"}