{"product_id":"wiseco-k598m9975ap-forged-pistons-ej257-wrx-sti-99-75mm-19cc-armorglide","title":"Wiseco K598M9975AP Forged Pistons EJ257 WRX\/STI 99.75mm -19cc ArmorGlide","description":"The Wiseco K598M9975AP Forged Piston Set is engineered for high-performance Subaru WRX\/STI EJ257 applications. With a 99.75mm bore and -19cc dish, these pistons are perfect for turbocharged builds requiring strength, reliability, and precision.\n\nCrafted from high-strength forged aluminum and treated with ArmorGlide® skirt coating, they reduce friction, improve wear resistance, and enhance performance under extreme boost and RPM conditions.\n\n✅ Product Features:\n\nBore Size: 99.75mm\n\nCompression Height: Designed for EJ257 turbo engines\n\nCrown Volume: -19cc dish for optimal compression ratio in boosted setups\n\nForged from high-strength aluminum alloy for durability\n\nArmorGlide® skirt coating reduces friction and wear\n\nIdeal for street, track, or rally performance applications\n\nIncludes pistons, rings, pins, and locks\n\n🔧 Specifications:\n\nBrand: Wiseco\n\nPart Number: K598M9975AP\n\nBore Size: 99.75mm\n\nDish Volume: -19cc\n\nSkirt Coating: ArmorGlide®\n\nEngine Fitment: Subaru WRX\/STI EJ257 2.5L Turbo (4-Valve)\n\nMaterial: Forged Aluminum\n\nCondition: Brand New\n\n🔹 Suggested Item Specifics\nSpecific\tValue\nBrand\tWiseco\nManufacturer Part Number\tK598M9975AP\nType\tForged Pistons\nBore Size\t99.75mm\nDish Volume\t-19cc\nCoating\tArmorGlide® Skirt Coating\nEngine Fitment\tSubaru EJ257 WRX\/STI 2.5L Turbo\nMaterial\tForged Aluminum\nCondition\tNew","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":43071151997106,"sku":"K598M9975AP","price":776.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/2067\/products\/28166890455218.png?v=1766120912","url":"https:\/\/www.hptautosport.com\/products\/wiseco-k598m9975ap-forged-pistons-ej257-wrx-sti-99-75mm-19cc-armorglide","provider":"HPTautosport","version":"1.0","type":"link"}