{"product_id":"inconel-exhaust-valves-oversize-1mm-for-a-mini-r53-only-6-pieces","title":"Inconel Exhaust Valves - Oversize +1mm for a Mini R53 (only 6 pieces)","description":"\u003ch2\u003eINCONEL BLACK NITRIDE EXHAUST VALVES for Mini R53 (only 6 pieces)\u003c\/h2\u003e\n\u003cp\u003eSupertech's Black Nitride exhaust valves for the Mini R53 are manufactured from an Inconel-Nimonic nickel superalloy and finished with a proprietary Black Nitride surface treatment. This coating provides superior hardness, reduced friction, and enhanced corrosion resistance compared to standard standard valves.\u003c\/p\u003e\n\u003cp\u003eEach valve is precision-machined to OEM tolerances and undergoes rigorous quality control including dimensional inspection, hardness testing, and surface finish verification. The result is a valve that delivers consistent, reliable performance in both street and competition Mini R53 builds.\u003c\/p\u003e\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInconel-Nimonic superalloy base material for extreme-EGT strength\u003c\/li\u003e\n\u003cli\u003eBlack Nitride surface treatment for reduced friction and wear resistance\u003c\/li\u003e\n\u003cli\u003ePrecision-ground 5.92mm stem and flat face for optimal sealing\u003c\/li\u003e\n\u003cli\u003eSwirl-polished underhead for improved exhaust flow\u003c\/li\u003e\n\u003cli\u003e24.20mm head diameter, compatible with standard valve guides and seats\u003c\/li\u003e\n\u003cli\u003eSingle Groove lock groove design for secure retention\u003c\/li\u003e\n\u003cli\u003eOversize +1.0mm valve diameter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAPPLICATIONS\u003c\/h3\u003e\n\u003cp\u003eIdeal for naturally aspirated, turbocharged, and supercharged Mini R53 builds where exhaust valve durability is critical. The Black Nitride coating excels in high-EGT environments and is particularly well-suited for engines running lean air-fuel\u003c\/p\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":48984098013416,"sku":"MCEVI-1007FS-8","price":529.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2193\/9683\/files\/MCEVI-1202-HS-8.webp?v=1788286615","url":"https:\/\/spaturbousa.com\/products\/inconel-exhaust-valves-oversize-1mm-for-a-mini-r53-only-6-pieces","provider":"SPA TURBO USA","version":"1.0","type":"link"}