{"product_id":"nicecnc-cylinder-head-top-end-cover-for-gas-gas-ec250-2024-2025","title":"NiceCNC Cylinder Head Top End Cover - GasGas EC250 2024-2025","description":"\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor KTM 250 EXC 2024-2025\u003c\/li\u003e\n\u003cli\u003eFor Husqvarna TE250 2024-2025\u003c\/li\u003e\n\u003cli\u003eFor GasGas EC250 2024-2025\u003c\/li\u003e\n\u003cli\u003eInstallation Instructions:\u003c\/li\u003e\n\u003cli\u003e1. Drain coolant and remove stock head.\u003c\/li\u003e\n\u003cli\u003e2. Set the deck height using different base gaskets as needed. Deck height is the distance between the top of the cylinder and the top of the outer edge of the piston at the top stop (TDC).\u003c\/li\u003e\n\u003cli\u003e3. Install the new head o-ring on the top of the cylinder and make sure the locating pin is in place and seated properly.\u003c\/li\u003e\n\u003cli\u003e4. Place the supplied 23 x 2.5mm o-ring into the groove on the top of the combustion chamber insert. Place the outer \"cap\" portion of the head over the insert, being careful not to move the o-ring. Screw the spark plug into the top of the insert with your fingers. Holding the spark plug, lift the head assembly as a unit onto the cylinder. Carefully position the head, making sure the locating pins are aligned and the o-ring stays in place.\u003c\/li\u003e\n\u003cli\u003e5. Tighten the nuts\/bolts in a criss-cross pattern to the required torque specification in the owner's manual. Reinstall the head onto the chassis mounting bracket.\u003c\/li\u003e\n\u003cli\u003eTest Data:\u003c\/li\u003e\n\u003cli\u003eTest Vehicle: 2024 KTM 250 EXC\u003c\/li\u003e\n\u003cli\u003eOperating time: 1 Hour\u003c\/li\u003e\n\u003cli\u003eRaw Compression: Approx. 170 PSI\u003c\/li\u003e\n\u003cli\u003eCompression test data may vary from vehicle to vehicle at different operating times.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Message us with your machine and we will confirm fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures an improved combustion chamber design that gives more performance throughout the rev range as well as reduced risk of detonation. It has been designed and tested to work with 91+ octane fuel. The head comes with a complete head gasket kit.\u003c\/li\u003e\n\u003cli\u003eCompared to stock head insert: The Original compression before installation is approximately 170 PSI, after installation is approximately 183 PSI (as picture shown), Squish clearance is 1.2 mm.\u003c\/li\u003e\n\u003cli\u003eMade of 7075 aluminum that withstand the high pressures and temperatures, so it won't break under pressure.\u003c\/li\u003e\n\u003cli\u003eConsistent power gains throughout the rev range especially in the bottom\/mid: Improved fuel economy\u003c\/li\u003e\n\u003cli\u003eGreatly reduced risk of detonation\u003c\/li\u003e\n\u003cli\u003eImproved engine life\u003c\/li\u003e\n\u003cli\u003eSmoother power delivery\u003c\/li\u003e\n\u003cli\u003eDoes not require race gas\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e1X Cylinder Head Kit\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ Specs\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: NiceCNC\u003c\/li\u003e\n\u003cli\u003eMaterial: 7075 Aluminum\u003c\/li\u003e\n\u003cli\u003eProcessing: CNC-machined\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eShips from DuneGoonShop in 2-4 weeks (made to order by NiceCNC)\u003c\/strong\u003e\u003c\/p\u003e","brand":"NiceCNC","offers":[{"title":"Default Title","offer_id":51545405063393,"sku":"1241203901","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/ktm-exc-250-cylinder-head-cover_1.jpg?v=1794606782","url":"https:\/\/dunegoonshop.com\/products\/nicecnc-cylinder-head-top-end-cover-for-gas-gas-ec250-2024-2025","provider":"Dune Goons","version":"1.0","type":"link"}