{"product_id":"hooker-8527hkr-exhaust-manifolds","title":"Hooker 8527HKR - Exhaust Manifolds","description":"\u003cp\u003eHooker 8527HKR - Exhaust Manifolds\u003c\/p\u003e\u003cp\u003eHooker Small Block Chevrolet Exhaust Manifolds\u003c\/p\u003e\u003cp\u003eHooker Exhaust Manifolds; 1.625 in. Tubing; 2.5 in. Collector Dia.; Natural; Cast Iron; D-Port Shape;\u003c\/p\u003e\u003cp\u003eHooker's new cast iron small-block Chevy exhaust manifolds offer an increase in performance and visual appearance over stock-style manifolds.  Their compact design fit into a wide variety of replacement and engine swap applications. This means you get the traditional look and easy fitment of a stock style exhaust manifold but now with a smoother, cleaner appearance, plus more modern features. These manifolds are cast out of high silicon-molybdenum ductile iron for high temperature strength and better resistance to oxidation and cracking. Internally these manifolds have a larger than stock 1 5\/8-inch cross-sectional area and 2 1\/2-inch outlets for better air flow and improved performance. Designed for raised D-port heads, these manifolds fit many popular GM applications including standard straight and Vortec straight plug head designs. Finishes include natural, silver, black, and titanium ceramic. Gaskets and hardware are included, along with weld-on flanges to aid in downpipe installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTight Tuck Design Provides Universal Fit\u003c\/li\u003e\n\u003cli\u003eFree-Flowing For Good Performance\u003c\/li\u003e\n\u003cli\u003eCatalytic Converter Efficiency\u003c\/li\u003e\n\u003cli\u003eHi-Silicon-Moly Ductile For Durability\u003c\/li\u003e\n\u003cli\u003eCorrosion Resistant\u003c\/li\u003e\n\u003cli\u003e2 Bolt Exit Flange Configuration\u003c\/li\u003e\n\u003cli\u003ePerfect Complement To Engine Swap Mount Plates\u003c\/li\u003e\n\u003cli\u003ePerfect Complement To Holley Engine Swap Oil Pans\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBolt size\u003c\/strong\u003e: \u003cspan\u003e3\/8-16 x 3\/4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: \u003cspan\u003eHooker\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCARB (California) Compliant\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: \u003cspan\u003eExhaust\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCollector Diameter\u003c\/strong\u003e: \u003cspan\u003e2.50 inch\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: \u003cspan\u003eSilver\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEmission Code\u003c\/strong\u003e: \u003cspan\u003e3\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine\u003c\/strong\u003e: \u003cspan\u003eChevrolet Small Block Gen I\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Port Shape\u003c\/strong\u003e: \u003cspan\u003eD-Port\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: \u003cspan\u003eNatural\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHeader Style\u003c\/strong\u003e: \u003cspan\u003eManifold\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: \u003cspan\u003eCast Iron\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003epart type\u003c\/strong\u003e: \u003cspan\u003eExhaust Manifold\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePrimary Tube Diameter\u003c\/strong\u003e: \u003cspan\u003e1-5\/8 inch\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eManifold\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSub Category\u003c\/strong\u003e: \u003cspan\u003eExhaust Manifolds\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWarning\u003c\/strong\u003e: \u003cspan\u003eCalifornia Proposition 65\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Hooker","offers":[{"title":"Default Title","offer_id":47328381108362,"sku":"HKR-8527HKR","price":320.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_8527hkr_01_normalized.jpg?v=1776574359","url":"https:\/\/www.onlyinstock.com\/products\/hooker-8527hkr-exhaust-manifolds","provider":"Only In Stock","version":"1.0","type":"link"}