{"product_id":"prox-piston-kit-520-525cc-4-stroke-standard-bore","title":"Prox Piston Kit - 520\/525cc 4-stroke Standard Bore","description":"\u003cp\u003eUpgrade your 4-stroke engine with this high-quality Prox Piston Kit. This kit provides improved performance and reliability for your machine. Each component is engineered to meet or exceed OEM standards, ensuring a precise fit and optimal engine performance. Get your Prox Piston Kit today!\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe Prox Piston Kit is designed for enthusiasts and professionals seeking to maximize engine performance and longevity. Precision machined using state-of-the-art CNC equipment and crafted from a low-expansion, low-friction aluminum alloy, this piston kit ensures durability and reduced wear. The standard size A piston is specifically designed for 520cc and 525cc 4-stroke engines, delivering an 11.0:1 compression ratio for enhanced power and efficiency. This kit provides a complete solution for rebuilding your engine with confidence, whether for routine maintenance or performance upgrades. Optimize your 4-stroke engine with Prox's commitment to quality and precision.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; highlights\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eComplete Kit: Includes piston, rings, wrist pin, and circlips for a comprehensive rebuild.\u003c\/li\u003e\n \u003cli\u003ePrecision Machined: Manufactured on state-of-the-art CNC equipment for exact tolerances and fit.\u003c\/li\u003e\n \u003cli\u003eLow-Friction Alloy: Constructed from low-expansion, low-friction aluminum alloy for reduced wear and increased performance.\u003c\/li\u003e\n \u003cli\u003eOptimized Compression: Provides an 11.0:1 compression ratio for improved power and efficiency.\u003c\/li\u003e\n \u003cli\u003eDirect Replacement: Designed as a direct replacement for standard pistons, simplifying installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eBrand: Prox\u003c\/li\u003e\n \u003cli\u003ePart Number: 01.6521.A\u003c\/li\u003e\n \u003cli\u003eEngine Type: 4-Stroke\u003c\/li\u003e\n \u003cli\u003eDisplacement: 520 cc, 525 cc\u003c\/li\u003e\n \u003cli\u003eBore Size: 95.00 mm\u003c\/li\u003e\n \u003cli\u003ePiston Size: 94.94 mm\u003c\/li\u003e\n \u003cli\u003eCompression Ratio: 11.0:1\u003c\/li\u003e\n \u003cli\u003ePiston Material: Aluminum Alloy\u003c\/li\u003e\n \u003cli\u003eType: Standard Size A\u003c\/li\u003e\n \u003cli\u003eSkirt Coating: Non-Coated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant to know\u003c\/h2\u003e\n\u003cp\u003eEnsure proper installation by a qualified mechanic. Always follow manufacturer's torque specifications when installing the piston and related components.\u003c\/p\u003e","brand":"Prox","offers":[{"title":"Default Title","offer_id":53655369679178,"sku":"09101182","price":235.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/4294057483275820aad9f259bd9c34aa.webp?v=1766606256","url":"https:\/\/partsdenmark.de\/products\/prox-piston-kit-520-525cc-4-stroke-standard-bore","provider":"Parts Denmark","version":"1.0","type":"link"}