{"product_id":"hpi-racing-1444-underhead-1","title":"Hpi Racing 1444 Underhead","description":"\u003cp\u003e\u003cstrong\u003eHpi Racing 1444 Underhead\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is a genuine HPI Racing replacement underhead for compatible HPI nitro engines. The underhead sits between the cylinder head and the sleeve, forming the combustion chamber surface and helping transfer heat away from the top end.\u003c\/p\u003e\u003cp\u003eA damaged or worn underhead costs compression and consistency, so this factory-spec part is the correct fix during a top-end service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine HPI Racing replacement part #1444\u003c\/li\u003e\n\u003cli\u003eEngine underhead\u003c\/li\u003e\n\u003cli\u003eFactory-spec combustion chamber component\u003c\/li\u003e\n\u003cli\u003eRestores proper sealing and heat transfer\u003c\/li\u003e\n\u003cli\u003eInstalls during standard top-end service\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PowerHobby","offers":[{"title":"Default Title","offer_id":44462910341208,"sku":"HPI1444","price":18.89,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/0554\/8376\/files\/hpi1444_1bee2af6-1b44-4a4e-8877-bcbc10f021f6.jpg?v=1785045139","url":"https:\/\/beavertonmilestonehobby.com\/products\/hpi-racing-1444-underhead-1","provider":"Beaverton Milestone Hobby","version":"1.0","type":"link"}