{"product_id":"sierra-18-1908-manifold-riser-spacer-replaces-93320a13","title":"Sierra Manifold Riser Spacer","description":"\u003cp\u003eSierra 18-1908 MerCruiser V6\/V8 3\" Manifold Riser Spacer\u003c\/p\u003e\u003cp\u003eSize: 3\"\u003c\/p\u003e\u003cp\u003eFor:\u003c\/p\u003e\u003cp\u003eMerCruiser GM V6 229 and 262cu.in. (Models: 185 and 205)\u003c\/p\u003e\u003cp\u003eGM Small Block V8 305-350cu.in. (Models: 200, 228, 230, 260 and 898)\u003c\/p\u003e\u003cp\u003eGM Big Block V8 454cu.in. (Models: 330, 340 and 7.4L)\u003c\/p\u003e\u003cp\u003eUse With:\u003c\/p\u003e\u003cp\u003eManifold: 18-1952-1, 18-1953-2, or 18-1957-1\u003c\/p\u003e\u003cp\u003eElbow: 18-1970-1,18-1976-1\u003c\/p\u003e\u003cp\u003eExhaust Elbow Mounting Kit: 18-8554,18-8554, and 18-8556\u003c\/p\u003e\u003cp\u003eExhaust Elbow Gasket: 18-0672, 18-0897, and 18-2849-1\u003c\/p\u003e\u003cp\u003eInterchangeable With:\u003c\/p\u003e\u003cp\u003eBarr\u003c\/p\u003e\u003cp\u003eMC-20-93320A3\u003c\/p\u003e\u003cp\u003eMerCruiser\u003c\/p\u003e\u003cp\u003e93322\u003c\/p\u003e\u003cp\u003eMallory\u003c\/p\u003e\u003cp\u003e9-40530\u003c\/p\u003e\u003cp\u003eOsco\u003c\/p\u003e\u003cp\u003e3320\u003c\/p\u003e\u003cp\u003eFrequently Asked Questions\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWhat is the Sierra 18-1908 MerCruiser V6\/V8 3\" Manifold Riser Spacer used for? The Sierra 18-1908 is a 3-inch manifold riser spacer designed for specified MerCruiser GM V6 and V8 applications. It is listed for GM V6 229 and 262 cu. in. engines, GM Small Block V8 305-350 cu. in. engines, and GM Big Block V8 454 cu. in. engines within the listed model applications.\u003c\/li\u003e\n\u003cli\u003eWhich MerCruiser engines does the Sierra 18-1908 manifold riser spacer fit? The listed applications include MerCruiser GM V6 229 and 262 cu. in. models 185 and 205; GM Small Block V8 305-350 cu. in. models 200, 228, 230, 260, and 898; and GM Big Block V8 454 cu. in. models 330, 340, and 7.4L.\u003c\/li\u003e\n\u003cli\u003eWhat size is the Sierra 18-1908 manifold riser spacer? The Sierra 18-1908 manifold riser spacer has a 3-inch size. This specification can be used to compare the spacer with your existing marine exhaust components before ordering.\u003c\/li\u003e\n\u003cli\u003eWhat manifolds and elbows can be used with the Sierra 18-1908? The Sierra 18-1908 is listed for use with manifolds 18-1952-1, 18-1953-2, or 18-1957-1 and elbows 18-1970-1 or 18-1976-1. Confirm your existing components against these listed part numbers before ordering.\u003c\/li\u003e\n\u003cli\u003eWhat mounting kits and gaskets are listed for use with the Sierra 18-1908? The listed exhaust elbow mounting kits are 18-8554 and 18-8556, and the listed exhaust elbow gaskets are 18-0672, 18-0897, and 18-2849-1. These are identified as \"Use With\" components and are not stated to be included with the Sierra 18-1908.\u003c\/li\u003e\n\u003cli\u003eWhat part numbers is the Sierra 18-1908 manifold riser spacer interchangeable with? The Sierra 18-1908 is listed as interchangeable with Barr MC-20-93320A3, MerCruiser 93322, Mallory 9-40530, and Osco 3320. Comparing your existing part number with these listed numbers can help verify the correct replacement.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":50582416359682,"sku":"SIE-18-1908","price":201.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/3024\/2562\/files\/Untitled-1__89250.1753840675_e1327ba3-0bf9-4202-aa3d-d1b4540216cc.jpg?v=1791081225","url":"https:\/\/allmarineworld.com\/products\/sierra-18-1908-manifold-riser-spacer-replaces-93320a13","provider":"All Marine World","version":"1.0","type":"link"}