{"product_id":"sierra-18-8534-exhaust-elbow-mounting-kit-for-18-1921-manifold-elbow-omc-gm-v8-305-350-risers-1979-1989","title":"Sierra 18-8534 Exhaust Elbow Mounting Kit for OMC\/GM Small Block V8 305-350 CID Risers (1979-1989)","description":"\u003cp\u003eThe Sierra 18-8534 Exhaust Elbow Mounting Kit supplies the mounting hardware needed to install an exhaust elbow\/riser onto compatible marine engine manifolds. It is designed for OMC and GM small block V8 engines in the 305-350 cubic inch displacement range (1979-1989), and also has multiple applications for Ford and GM exhaust risers. The kit is built to be used with Sierra manifold part numbers 18-1902 and 18-1903, giving installers the correct hardware set to complete a riser or manifold replacement without hunting down individual bolts separately.\u003c\/p\u003e\u003cp\u003eLike other Sierra exhaust system components, this mounting kit is engineered to meet the demands of high horsepower marine engines and to hold up in the harsh marine environment, matching or exceeding the performance of the original equipment hardware it replaces. It ships as a compact, low weight hardware kit intended for straightforward bolt-in installation during exhaust manifold or riser service.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Sierra\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 18-8534\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Exhaust Elbow Mounting Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse With Manifold:\u003c\/strong\u003e 18-1902, 18-1903\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.24 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Dimensions:\u003c\/strong\u003e 0.39 x 0.39 x 0.39 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Glass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 808282127268\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOMC\/GM Small Block V8 305-350 cubic inch engines (1979-1989)\u003c\/li\u003e\n\u003cli\u003eMultiple applications for Ford and GM exhaust risers\u003c\/li\u003e\n\u003cli\u003eUse with Sierra manifold 18-1902 or 18-1903\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReplaces (OEM)\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eNo OEM cross-reference numbers listed\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Sierra 18-8534 Exhaust Elbow Mounting Kit used for?\u003c\/strong\u003e It supplies the mounting hardware needed to install an exhaust elbow or riser onto a compatible manifold, so it is used alongside a manifold replacement or riser service rather than sold as a standalone elbow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat engines does the 18-8534 mounting kit fit?\u003c\/strong\u003e It fits OMC and GM small block V8 engines in the 305-350 cubic inch range from 1979-1989, and also has multiple applications for Ford and GM exhaust risers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich manifolds is Sierra 18-8534 designed to work with?\u003c\/strong\u003e This mounting kit is intended for use with Sierra manifold part numbers 18-1902 and 18-1903.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does the 18-8534 mounting kit weigh?\u003c\/strong\u003e The Sierra 18-8534 Exhaust Elbow Mounting Kit weighs 0.24 pounds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat are the dimensions of this mounting kit?\u003c\/strong\u003e Item dimensions for the 18-8534 kit are 0.39 x 0.39 x 0.39 inches.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the Sierra 18-8534 kit made from?\u003c\/strong\u003e The kit's listed material is glass, and it is finished in white.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the 18-8534 kit include mounting bolts?\u003c\/strong\u003e Yes, mounting bolts for the exhaust elbow are included as part of the Sierra 18-8534 kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the 18-8534 an OEM or aftermarket part?\u003c\/strong\u003e Sierra 18-8534 is a Sierra-brand replacement kit engineered to meet or exceed the performance of the original equipment hardware it replaces.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes Sierra 18-8534 come with a manifold gasket?\u003c\/strong\u003e No, the manifold gasket for this application is a separate part, Sierra 18-2949, which is not included in the 18-8534 mounting kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the Sierra 18-8534 mounting kit covered by a warranty?\u003c\/strong\u003e Yes, this kit is covered under Sierra's standard limited warranty like other Sierra marine parts.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48988434628827,"sku":"SIE-18-8534","price":15.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0839\/7586\/4539\/files\/SIE-18-8534_lg__19175.1558131746.500.750.jpg?v=1785188501","url":"https:\/\/www.goodvibesmarina.com\/products\/sierra-18-8534-exhaust-elbow-mounting-kit-for-18-1921-manifold-elbow-omc-gm-v8-305-350-risers-1979-1989","provider":"Good Vibes Marina","version":"1.0","type":"link"}