{"product_id":"stage-iv-107ci-114ci-engine-kit","title":"Stage IV 107CI-114CI Engine Kit","description":"The Harley-Davidson 92500062 Screamin' Eagle Milwaukee-Eight Engine Stage IV Kit is engineered to deliver maximum horsepower from 107CI to 114CI Milwaukee-Eight engines, all the way to the redline.\n\nThe kit includes a comprehensive set of high-performance components: CNC-ported cylinder heads with performance valve springs, a 64mm throttle body, high-flow injectors (5.5g\/s), 4.075\" bolt-on cylinders, forged 11:1 high compression aluminum coated pistons with rings, the SE8-515 cam, a cam bearing upgrade, high-performance tappets, multi-layer coated head gaskets, and high-capacity clutch springs (1200N) with clutch disks. The fins are finished in black with highlights.\n\nThis Stage IV kit is compatible with 2018-2020 Softail and 2017-2021 Touring models equipped with air\/oil-cooled 107CI Milwaukee-Eight engines. It does not fit Trike models. Separate purchases are required for the Cam Drive Retention Kit P\/N 25566-06. Installation may also require the Cam Spacer Kit P\/N 25928-06, and for 2017-2018 Touring models, the installation of Oil Pump Cover P\/N 62400206 is recommended. Crucially, all models require ECM calibration using the Screamin' Eagle Pro Street Tuner or a dealership-installed Screamin' Eagle calibration for proper functionality. The kit can be installed without removing the engine from the chassis and retains the Original Equipment Factory Warranty.","brand":"Harley-Davidson","offers":[{"title":"Default Title","offer_id":52688644571448,"sku":"92500062","price":2595.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/664204618.webp?v=1784892251","url":"https:\/\/store.motormia.co\/products\/stage-iv-107ci-114ci-engine-kit","provider":"MOTORMIA","version":"1.0","type":"link"}