{"product_id":"holley-gm-ls3-intake-manifold-300-129-dual-plane-square-bore-aluminum-with-4150-flange","title":"Holley GM LS3 Intake Manifold 300-129 Dual-Plane Square Bore Aluminum with 4150 Flange","description":"GM LS3 Intake Manifold Dual-Plane 4150 Flange\n\u003cp\u003eThe Holley GM LS3 Intake Manifold part number 300-129 is a high-performance dual-plane intake designed specifically for GM LS-Series engines. Crafted from durable aluminum with a natural finish, this intake features a square bore and rectangle port design to optimize airflow and improve throttle response. Its single-plane configuration enhances high RPM power, making it an ideal choice for racing or high-performance street applications. The manifold includes a 4150 flange to ensure a secure fit with compatible carburetors and fuel systems. Its lightweight construction and precision engineering contribute to improved engine efficiency and horsepower gains. Suitable for various GM LS engines, this intake manifold is a reliable upgrade for enthusiasts seeking enhanced engine performance and responsiveness.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMaterial: Aluminum for durability and lightweight performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesign: Dual-plane, single-branch configuration for balanced airflow\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePort Type: Rectangle port optimized for high flow and power\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBore Size: Square bore compatible with 4150 style carburetors\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFinish: Natural aluminum surface for corrosion resistance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eApplication: Designed for GM LS-Series engines with high-performance requirements\u003c\/li\u003e\u003c\/ul\u003e","brand":"HOLLEY","offers":[{"title":"Default Title","offer_id":44675994288194,"sku":"HLY300-129","price":430.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0688\/4327\/4306\/files\/HLY300-129.jpg?v=1785951677","url":"https:\/\/ltactradingco.com\/products\/holley-gm-ls3-intake-manifold-300-129-dual-plane-square-bore-aluminum-with-4150-flange","provider":"LTAC Trading Co.","version":"1.0","type":"link"}