{"product_id":"272-small-block-chevrolet-assembled-aluminum-cylinder-head","title":"272 Small Block Chevrolet Assembled Aluminum Cylinder Head","description":"The NKB NKB-272 is an assembled aluminum cylinder head set engineered for small block Chevrolet 327, 350, and 383 applications. These heads feature 64cc combustion chambers paired with 200cc runners to provide improved airflow and cooling efficiency over traditional iron heads. Each head is built with durable components including stainless steel 2.02-inch intake and 1.60-inch exhaust valves, bronze valve guides, and hardened valve seats to ensure long-term reliability under performance conditions.\n\nInstallation of these cylinder heads may require specific hardware depending on your valvetrain configuration. For engines utilizing 3\/8-inch roller rockers, specific studs and compatible guide plates are required for proper operation. These heads offer a significant weight reduction compared to stock iron components, aiding in overall vehicle weight distribution while maintaining competitive power characteristics.","brand":"Nkb","offers":[{"title":"Default Title","offer_id":52663152181560,"sku":"NKB-272","price":979.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687518640.jpg?v=1784324328","url":"https:\/\/store.motormia.co\/products\/272-small-block-chevrolet-assembled-aluminum-cylinder-head","provider":"MOTORMIA","version":"1.0","type":"link"}