{"product_id":"s-s-cycle-power-packs-harley-davidson-18","title":"S\u0026S Cycle Power Packs — Harley-Davidson Electra Glide, Softail Heritage Classic, Electra Glide Classic (1955-2026)","description":"\u003cp\u003eS\u0026amp;S Cycle Power Packs are bolt-on big-bore engine kits that pair 4.32\" cylinders with matched cams, cam plates, and oil pumps to deliver significant horsepower gains without a full engine rebuild. Designed for Harley-Davidson engines seeking reliable performance on a realistic budget.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e4.32\" big-bore cylinders\u003c\/li\u003e\n  \u003cli\u003eMatched high-performance cam and cam plate\u003c\/li\u003e\n  \u003cli\u003eIntegrated oil pump upgrade\u003c\/li\u003e\n  \u003cli\u003eComplete cam chest package\u003c\/li\u003e\n  \u003cli\u003eBolt-on installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e S\u0026amp;S Cycle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 310-1056C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine Components \/ Piston Sets - Powersports\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 44.19 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003eFits Harley-Davidson models. Verify specific model year and engine family compatibility with S\u0026amp;S or your dealer before ordering.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat horsepower gain should I expect?\u003c\/h3\u003e\n\u003cp\u003eGains depend on your engine's starting displacement and tune. S\u0026amp;S provides dyno results by engine family — contact S\u0026amp;S or check their website for your specific model.\u003c\/p\u003e\n\u003ch3\u003eDo I need to retune my fuel injection?\u003c\/h3\u003e\n\u003cp\u003eYes. A power pack changes air and fuel flow, so fuel mapping adjustments are required for optimal performance and reliability.\u003c\/p\u003e\n\u003ch3\u003eCan a shop install this, or is it a full engine tear-down?\u003c\/h3\u003e\n\u003cp\u003eInstallation complexity varies by model. Some kits are bolt-on to the cam chest; others require partial engine work. Consult S\u0026amp;S documentation and a qualified shop before ordering.\u003c\/p\u003e\n\u003ch3\u003eIs this the same as a complete engine rebuild?\u003c\/h3\u003e\n\u003cp\u003eNo — Power Packs upgrade the top end and breathing. A full rebuild would also involve bottom-end machine work, pistons, and rings.\u003c\/p\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040425664623,"sku":"T14-852119","price":3294.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_7d7a6e4f-d02d-4b1f-922f-ed41d4b10ecb.png?v=1779566762","url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-power-packs-harley-davidson-18","provider":"Vtwinbikers","version":"1.0","type":"link"}