{"product_id":"holley-single-plane-efi-split-design-race-intake-manifold-gm-ls3-l92-black-300-290bk","title":"Holley Single Plane EFI  Split-Design Race Intake Manifold- GM LS3\/L92- Black 300-290BK","description":" As-Cast Runner Cross-Sectional Area - 4.5 in² at the runner entry tapered to 3.2 in² at the flange exit The LS Race single-plane intake manifold was designed for hi-performance\/racing engine applications, 5.3 to 6.2+ liter displacement, and maximum engine speeds of 6000-7000 rpm, depending on the engine combination. This single-plane design provides optimal performance across the RPM spectrum while providing maximum performance up to 7000 rpm.  Port Size- 2.59\" Height x 1.28\" Wide  Throttle Body Flange - Standard 4150 for up to 1-3\/4\" diameter throttle bores Technical Data: The Holley LS Race manifold incorporates a split feature, which allows disassembly of the intake for direct access to internal plenum and port surfaces, making custom porting and matching a snap. With shoulder bolt locators and O-ring seal, reassembly is simple and precise. The new Holley Single-Plane Race intake manifold were designed with performance in mind. They feature a race bred, two piece split feature that was previously only found on the most expensive race intakes. The manifold will fit GM LS Gen III engines with LS3\/L92 heads and are intended for 4150 style square bore flanged carburetors or throttle body EFI.  A-B Height - 7.20\" (0° carb flange angle)","brand":"Holley","offers":[{"title":"Default Title","offer_id":50228711358741,"sku":"BBVL_300-290BK","price":849.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0845\/6844\/1109\/files\/300-255bk_031979.jpg?v=1791179166","url":"https:\/\/shop.davesusa.com\/products\/holley-single-plane-efi-split-design-race-intake-manifold-gm-ls3-l92-black-300-290bk","provider":"Dave's Auto Center","version":"1.0","type":"link"}