{"product_id":"hpi-racing-under-head-engine-component-replacement-part-for-hpi-nitro-engines","title":"HPI Racing Under Head Engine Component Replacement Part for HPI Nitro Engines","description":"\u003cdiv\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe HPI Racing Under Head is a genuine HPI replacement engine component for compatible HPI nitro engines. The under head shim sits between the cylinder head and engine block, helping set proper combustion chamber compression and engine tuning.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine HPI replacement part\u003c\/li\u003e\n\u003cli\u003eEngine under head shim\u003c\/li\u003e\n\u003cli\u003eOE-grade quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRestores proper engine compression\u003c\/li\u003e\n\u003cli\u003eOE-grade fitment\u003c\/li\u003e\n\u003cli\u003eCritical for engine tuning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUsage Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBest used during HPI nitro engine service or rebuild\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with your specific engine variant\u003c\/li\u003e\n\u003cli\u003eFollow HPI installation procedures for correct compression\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Engine Under Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e HPI nitro engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e HPI Racing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRefer to your HPI engine's parts manual for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHPI Racing Under Head (as packaged by HPI)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003cp\u003eThe HPI Racing Under Head is the genuine OE replacement engine shim for restoring proper compression and tune on compatible HPI nitro engines.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"RC Hop Up Parts","offers":[{"title":"Default Title","offer_id":42816528121950,"sku":"HPI15144","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/2929\/1614\/files\/hpi15144.jpg?v=1779937789","url":"https:\/\/nez-emporium.com\/products\/hpi-racing-under-head-engine-component-replacement-part-for-hpi-nitro-engines","provider":"Nez Emporium","version":"1.0","type":"link"}