{"product_id":"airmar-33-523-01-high-speed-fairing-block-for-b258","title":"Airmar 33-523-01 High Speed Fairing Block For B258","description":"\u003cdiv class=\"grid w-full min-w-0 grid-cols-[minmax(0,1fr)]\" data-orientation=\"horizontal\" dir=\"ltr\"\u003e\n\u003cdiv class=\"col-start-1 row-start-2\"\u003e\n\u003cdiv class=\"focus:outline-none\" id=\"radix-:r2j6:-content-thread\" aria-labelledby=\"radix-:r2j6:-trigger-thread\" role=\"tabpanel\" data-orientation=\"horizontal\" data-state=\"active\" tabindex=\"0\"\u003e\n\u003cdiv class=\"border-subtlest ring-subtlest divide-subtlest bg-transparent\"\u003e\n\u003cdiv class=\"gap-y-md flex flex-col\"\u003e\n\u003cdiv class=\"relative font-sans text-base text-foreground selection:bg-super\/50 selection:text-foreground dark:selection:bg-super\/10 dark:selection:text-super\"\u003e\n\u003cdiv class=\"min-w-0 break-words [word-break:break-word]\"\u003e\n\u003cdiv class=\"gap-y-md after:clear-both after:block after:content-['']\" id=\"markdown-content-18\" dir=\"auto\"\u003e\n\u003cdiv class=\"mb-4 mt-5 first:mt-1\"\u003e\n\u003cdiv class=\"gap-sm scrollbar-none px-md -mx-md relative flex flex-row overflow-x-scroll md:mx-0 md:overflow-x-visible md:px-0\" data-testid=\"image-carousel-row\"\u003e\n\u003cdiv class=\"relative w-[120vw] shrink-0 md:w-full\"\u003e\n\u003cdiv class=\"flex w-full\"\u003e\n\u003cdiv class=\"flex flex-col\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pl-md pr-sm pointer-events-none relative z-[1] flex items-center justify-end md:absolute md:inset-0 md:px-0\"\u003e\n\u003ch2 id=\"product-overview\" class=\"mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end font-sans visRefresh2026AnswerSerif:font-editorial font-semimedium visRefresh2026Fonts:font-bold text-base visRefresh2026Fonts:text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eProduct \u003cspan\u003eDescription\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv class=\"relative\"\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] prose-strong:font-medium visRefresh2026Fonts:prose-strong:font-bold [\u0026amp;_\u0026gt;*:first-child]:mt-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eAirmar high-performance plastic fairing block designed for through-hull mounting of B258, SS258, and B271W transducers, optimizing sonar performance at high boat speeds up to 30+ knots by reducing drag and turbulence. Its cut-to-fit design aligns the transducer face parallel to the waterline for clear depth and fish detection in marine environments.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" class=\"group\/trigger inline-flex min-w-0\"\u003e\u003cspan class=\"citation inline-flex min-w-0\"\u003e\u003ca href=\"https:\/\/www.echomasterdirect.co.uk\/Airmar_high-performance_fairing_for_B258_SS258_and_B271W\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 id=\"product-overview\" class=\"mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end font-sans visRefresh2026AnswerSerif:font-editorial font-semimedium visRefresh2026Fonts:font-bold text-base visRefresh2026Fonts:text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eThis fairing suits professional installations on fast fishing boats or yachts, where the B258's 1kW 50\/200kHz capabilities demand streamlined hull integration to minimize cavitation during navigation or trolling. Marine technicians cut it to match hull deadrise for thru-hull setups without compromising beam patterns.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" class=\"group\/trigger inline-flex min-w-0\"\u003e\u003cspan class=\"citation inline-flex min-w-0\"\u003e\u003ca href=\"https:\/\/www.westmarine.com\/airmar-technologies-b258-high-performance-fairing-block-with-hardware-22795256.html\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 id=\"key-specifications\" class=\"mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end font-sans visRefresh2026AnswerSerif:font-editorial font-semimedium visRefresh2026Fonts:font-bold text-base visRefresh2026Fonts:text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eKey Specifications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCompatibility: B258 bronze, SS258 stainless steel, B271W transducers\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" class=\"group\/trigger inline-flex min-w-0\"\u003e\u003cspan class=\"citation inline-flex min-w-0\"\u003e\u003ca href=\"https:\/\/www.marinedirect.com.au\/33-523-01-airmar-b258-ss258-high-speed-fairing-blo\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDimensions: 22\" L x 5.25\" W x 5\" H (uncut)\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" class=\"group\/trigger inline-flex min-w-0\"\u003e\u003cspan class=\"citation inline-flex min-w-0\"\u003e\u003ca href=\"https:\/\/www.p2marine.com\/airmar-high-performance-fairing-block-for-b258\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eDeadrise range: 0-25° (cuttable top\/bottom halves)\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" aria-label=\"Airmar B258 \/ SS258 High Speed Fairing Block [33-523-01]\" class=\"inline-flex\"\u003e\u003cspan rel=\"nofollow noopener\" data-pplx-citation-url=\"https:\/\/www.americandivingsupply.com\/Airmar-B258-SS258-High-Speed-Fairing-Block-33-5-p\/cwr-51229.htm\" data-pplx-citation=\"\" class=\"citation inline\"\u003e\u003ca href=\"https:\/\/www.americandivingsupply.com\/Airmar-B258-SS258-High-Speed-Fairing-Block-33-5-p\/cwr-51229.htm\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eWeight: 7.6 lbs (packaged)\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" aria-label=\"Airmar B258 \/ SS258 High Speed Fairing Block [33-523-01]\" class=\"inline-flex\"\u003e\u003cspan rel=\"nofollow noopener\" data-pplx-citation-url=\"https:\/\/mygreenoutdoors.com\/airmar-b258-ss258-high-speed-fairing-block-33-523-01\/\" data-pplx-citation=\"\" class=\"citation inline\"\u003e\u003ca href=\"https:\/\/mygreenoutdoors.com\/airmar-b258-ss258-high-speed-fairing-block-33-523-01\/\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"technical-specifications\" class=\"mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end font-sans visRefresh2026AnswerSerif:font-editorial font-semimedium visRefresh2026Fonts:font-bold text-base visRefresh2026Fonts:text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eSupports speeds to 30+ knots with hydrodynamic shaping\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" aria-label=\"B258 High Performance Fairing Block with Hardware\" class=\"inline-flex\"\u003e\u003cspan rel=\"nofollow noopener\" data-pplx-citation-url=\"https:\/\/www.westmarine.com\/airmar-technologies-b258-high-performance-fairing-block-with-hardware-22795256.html\" data-pplx-citation=\"\" class=\"citation inline\"\u003e\u003ca href=\"https:\/\/www.westmarine.com\/airmar-technologies-b258-high-performance-fairing-block-with-hardware-22795256.html\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eRequires M32 hull nut, marine sealant, and band saw for fitting\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" aria-label=\"Airmar high-performance fairing for B258, SS258 and B271W\" class=\"inline-flex\"\u003e\u003cspan rel=\"nofollow noopener\" data-pplx-citation-url=\"https:\/\/www.echomasterdirect.co.uk\/Airmar_high-performance_fairing_for_B258_SS258_and_B271W\" data-pplx-citation=\"\" class=\"citation inline\"\u003e\u003ca href=\"https:\/\/www.echomasterdirect.co.uk\/Airmar_high-performance_fairing_for_B258_SS258_and_B271W\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eBox dimensions: 6\"H x 8\"W x 24\"L\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" aria-label=\"Airmar B258 \/ SS258 High Speed Fairing Block [33-523-01]\" class=\"inline-flex\"\u003e\u003cspan rel=\"nofollow noopener\" data-pplx-citation-url=\"https:\/\/mygreenoutdoors.com\/airmar-b258-ss258-high-speed-fairing-block-33-523-01\/\" data-pplx-citation=\"\" class=\"citation inline\"\u003e\u003ca href=\"https:\/\/mygreenoutdoors.com\/airmar-b258-ss258-high-speed-fairing-block-33-523-01\/\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eUSA-made, corrosion-resistant plastic construction\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" aria-label=\"B258 High Performance Fairing Block\" class=\"inline-flex\"\u003e\u003cspan rel=\"nofollow noopener\" data-pplx-citation-url=\"https:\/\/www.gemeco.com\/Product\/KP-33-523-01\" data-pplx-citation=\"\" class=\"citation inline\"\u003e\u003ca href=\"https:\/\/www.gemeco.com\/Product\/KP-33-523-01\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"whats-in-the-box\" class=\"mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end font-sans visRefresh2026AnswerSerif:font-editorial font-semimedium visRefresh2026Fonts:font-bold text-base visRefresh2026Fonts:text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eHigh-speed fairing block (top and bottom sections)\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" aria-label=\"Airmar high-performance fairing for B258, SS258 and B271W\" class=\"inline-flex\"\u003e\u003cspan rel=\"nofollow noopener\" data-pplx-citation-url=\"https:\/\/www.echomasterdirect.co.uk\/Airmar_high-performance_fairing_for_B258_SS258_and_B271W\" data-pplx-citation=\"\" class=\"citation inline\"\u003e\u003ca href=\"https:\/\/www.echomasterdirect.co.uk\/Airmar_high-performance_fairing_for_B258_SS258_and_B271W\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eMounting hardware (bolts, nuts, washers)\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" aria-label=\"B258 High Performance Fairing Block with Hardware\" class=\"inline-flex\"\u003e\u003cspan rel=\"nofollow noopener\" data-pplx-citation-url=\"https:\/\/www.westmarine.com\/airmar-technologies-b258-high-performance-fairing-block-with-hardware-22795256.html\" data-pplx-citation=\"\" class=\"citation inline\"\u003e\u003ca href=\"https:\/\/www.westmarine.com\/airmar-technologies-b258-high-performance-fairing-block-with-hardware-22795256.html\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eCutting template and installation guide\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan data-state=\"closed\" aria-label=\"Airmar B258 \/ SS258 High Speed Fairing Block [33-523-01]\" class=\"inline-flex\"\u003e\u003cspan rel=\"nofollow noopener\" data-pplx-citation-url=\"https:\/\/mygreenoutdoors.com\/airmar-b258-ss258-high-speed-fairing-block-33-523-01\/\" data-pplx-citation=\"\" class=\"citation inline\"\u003e\u003ca href=\"https:\/\/mygreenoutdoors.com\/airmar-b258-ss258-high-speed-fairing-block-33-523-01\/\" class=\"inline-flex max-w-full min-w-0\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"flex items-center justify-between\"\u003e\n\u003cdiv class=\"-ml-sm gap-xs flex flex-shrink-0 items-center\"\u003e\n\u003cdiv class=\"rounded-full\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gap-x-xs flex flex-shrink-0 items-center\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"gap-xs flex items-center border-subtlest ring-subtlest divide-subtlest bg-transparent\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Airmar","offers":[{"title":"Default Title","offer_id":41876974829664,"sku":"AIR3352301","price":174.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0620\/1927\/2800\/files\/AIR3352301.jpg?v=1748426386","url":"https:\/\/newportmarinesupply.com\/products\/airmar-33-523-01-high-speed-fairing-block-for-b258","provider":"Newport Marine Supply","version":"1.0","type":"link"}