{"product_id":"wiseco-subaru-wrx-ej20-stroker-1-181ch-piston-shelf-stock-kit-1","title":"Wiseco Professional Series Forged Racing Pistons | Subaru WRX (EJ20) (K579M93)","description":"\u003ch1\u003eWiseco Professional Series\u003c\/h1\u003e\n\u003ch2\u003eFitment Summary\u003c\/h2\u003e\n\u003cp\u003eThis piston kit is designed specifically for Subaru WRX models equipped with the EJ20 engine, suitable for high-performance and racing applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e K579M93\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Wiseco Subaru WRX EJ20 Stroker 1.181 Compression Ratio Piston Shelf Stock Kit is a high-quality set of forged pistons engineered for serious racing and performance builds. Crafted from premium materials, these pistons are built to withstand the demanding conditions of competitive motorsports and heavy-duty applications. They are ideal for enthusiasts and professional builders seeking to maximize engine response, durability, and power potential in their Subaru WRX EJ20 engine.\u003c\/p\u003e\n\u003cp\u003eDesigned to support increased displacement and performance, these pistons help improve engine efficiency and response, making them a perfect upgrade for those looking to push their vehicle’s limits while maintaining reliability and longevity.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eForged construction for enhanced strength and durability\u003c\/li\u003e\n\u003cli\u003eDesigned for high-performance racing applications\u003c\/li\u003e\n\u003cli\u003eCustom compression ratio of 1.181 for optimized power output\u003c\/li\u003e\n\u003cli\u003ePrecision-machined for perfect fit and sealing\u003c\/li\u003e\n\u003cli\u003eIncludes premium rings for reliable sealing and performance\u003c\/li\u003e\n\u003cli\u003eEngineered to withstand severe duty and high RPM operation\u003c\/li\u003e\n\u003cli\u003eCompatible with Subaru EJ20 engines in WRX models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThese Wiseco pistons feature a forged aluminum design, providing superior strength and resistance to deformation under high stress. The pistons are precisely machined to ensure optimal weight and balance, contributing to smooth engine operation and improved response. The high-quality ring grooves are engineered for excellent sealing and minimal friction, supporting consistent compression and power delivery.\u003c\/p\u003e\n\u003ch3\u003ePerformance \u0026amp; Driving Experience\u003c\/h3\u003e\n\u003cp\u003eBuilt for racing and high-performance use, these pistons help your engine achieve higher power output and improved throttle response. Their robust construction ensures durability during aggressive driving, while the optimized compression ratio enhances combustion efficiency, resulting in better overall engine performance and reliability.\u003c\/p\u003e\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned to fit Subaru WRX models with the EJ20 engine, these pistons are intended for professional installation or experienced enthusiasts familiar with engine rebuilding. Proper machining and assembly are required to ensure optimal performance and longevity.\u003c\/p\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cp\u003eThe kit includes forged pistons and premium rings, ready for installation into your engine rebuild or upgrade project.\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":51635944292639,"sku":"K579M93","price":635.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/4e846314-6f9e-4dc2-b4cb-5ea42440e524-800_3d8d7b35-77b8-401a-9aa2-a9b4486c2cee.jpg?v=1771149102","url":"https:\/\/shop.wheelflip.com\/products\/wiseco-subaru-wrx-ej20-stroker-1-181ch-piston-shelf-stock-kit-1","provider":"WheelFlip","version":"1.0","type":"link"}