{"product_id":"cnnp-2117hr","title":"ProMaxx Performance Products | Series One | Small Block Chevy | Cylinder Head | 185cc | Hydraulic Roller | PN. 2117HR","description":"\u003ch1\u003eProMaxx Performance Products | Series One | Small Block Chevy | Cylinder Head | 185cc | Hydraulic Roller\u003c\/h1\u003e\n\u003ch3\u003ePN. 2117HR\u003c\/h3\u003e\n\u003cp\u003eThe ProMaxx Performance Products \u003cstrong\u003eSeries One\u003c\/strong\u003e cylinder heads are the perfect solution for budget-minded builds that still demand real performance gains. Machined and assembled in the USA, dyno results show 20–35 hp gains over the competition.\u003c\/p\u003e\n\u003ch4\u003eFeatures \u0026amp; Benefits\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBudget-friendly performance — 20–35 hp gains over stock or stock replacement heads\u003c\/li\u003e\n\u003cli\u003e185cc intake runners for solid street and strip performance\u003c\/li\u003e\n\u003cli\u003eCompetition 5-angle valve job for superior sealing and flow\u003c\/li\u003e\n\u003cli\u003eManganese Bronze valve guides for durability\u003c\/li\u003e\n\u003cli\u003eHardened steel valve seats for longevity\u003c\/li\u003e\n\u003cli\u003eViton valve seals to resist heat and oil breakdown\u003c\/li\u003e\n\u003cli\u003eMachined and assembled in the USA\u003c\/li\u003e\n\u003cli\u003eSpring package compatible with Hydraulic Roller camshafts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombustion Chamber:\u003c\/strong\u003e 64cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Runner:\u003c\/strong\u003e 185cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Valve:\u003c\/strong\u003e 2.02\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Valve:\u003c\/strong\u003e 1.60\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug Type:\u003c\/strong\u003e Angle Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Guide:\u003c\/strong\u003e Manganese Bronze\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Job:\u003c\/strong\u003e 5-Angle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eSold in pairs. Part number 2117HR. Compatible with Small Block Chevy applications. Please verify fitment before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"ProMaxx Performance Products","offers":[{"title":"Default Title","offer_id":46709289779339,"sku":"PMH2117HR","price":2110.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/jbspowercentre.com\/products\/cnnp-2117hr","provider":"JBs Power Centre","version":"1.0","type":"link"}