{"product_id":"ecotec-le5-le9-hcp-ported-factory-pistons-rings-included","title":"Ecotec LE5\/LE9 HCP Ported factory pistons (rings included)","description":"\u003ch3\u003e\u003cspan\u003eHCP LE5 Lateral Gas-Ported Factory Pistons\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eGet more performance out of the proven factory LE5 piston with HCP's \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003elateral gas-porting modification\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWe start with factory GM 2.4L LE5 Ecotec pistons and precision-machine lateral gas ports around the top ring groove. These ports allow cylinder pressure to reach the backside of the top compression ring, helping force the ring outward against the cylinder wall when cylinder pressure increases.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe result is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eimproved ring seal under load\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, particularly in high-RPM and high-cylinder-pressure performance applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUnlike vertical gas ports drilled through the piston crown, lateral gas ports enter through the side of the piston and intersect the top ring groove. This maintains an unmodified piston crown while still using combustion pressure to improve ring sealing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBenefits include:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eImproved top-ring sealing under high cylinder pressure\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eReduced combustion gas blow-by\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBetter cylinder pressure retention\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eImproved consistency at high RPM\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePotential improvement in power and efficiency\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHelps a factory-style piston and ring package perform more effectively in demanding racing applications\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLateral design avoids drilling directly through the piston crown\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThis modification is especially beneficial for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehigh-compression, naturally aspirated and competition LE5 Ecotec combinations\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e where maximizing ring seal and cylinder pressure is critical.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach piston is machined by HCP as a matched set for use in performance and racing applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCompetition Use:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Proper piston-to-wall clearance, ring selection, ring end gap, tune-up, and engine assembly are critical. Gas porting increases ring loading under cylinder pressure and should be used as part of a properly designed performance engine combination.\u003c\/span\u003e\u003c\/p\u003e","brand":"Hand Crafted Performance","offers":[{"title":"Default Title","offer_id":44423865663575,"sku":null,"price":253.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0650\/4923\/1447\/files\/0b64ab73-bba5-4675-afed-5a8d9625891a.png?v=1791405966","url":"https:\/\/handcraftedperformance.com\/products\/ecotec-le5-le9-hcp-ported-factory-pistons-rings-included","provider":"Hand Crafted Performance","version":"1.0","type":"link"}