{"product_id":"wiseco-77-5mm-turbo-pistons-8-5-1-for-02-05-mini-cooper-s-supercharged","title":"Wiseco 77.5mm Turbo Pistons 8.5:1 for 02-05 Mini Cooper S Supercharged","description":"Wiseco Forged Turbo Pistons – 77.5mm | 8.5:1 CR – Mini Cooper S (2002–2005)\nFits: 1.6L Supercharged (R53) | High-Boost Turbo Builds\n\nTake your forced-induction Mini build to the next level with Wiseco’s 77.5mm forged pistons, designed for the 2002–2005 Mini Cooper S with a 1.6L Tritec engine (R53 chassis). Built for high-boost turbo or supercharged applications, these pistons feature an 8.5:1 compression ratio, perfect for reliable power under pressure.\n\n✅ Key Features:\nBore Size: 77.5mm (oversize – check block clearance)\n\nCompression Ratio: 8.5:1 – ideal for turbo\/supercharged setups\n\nApplication: 1.6L Supercharged I4 (Mini Cooper S R53)\n\nMaterial: 2618 forged aluminum alloy – race-proven strength\n\nDesign: Lightweight, fully machined for max reliability and balance\n\nSkirt Coating: Reduces friction and wear\n\nValve Reliefs: Compatible with OEM and aftermarket cams\n\nPin \u0026amp; Rings Included: Yes – complete set for all four cylinders\n\n📦 Includes:\n4 × Forged pistons (77.5mm)\n\n4 × Wrist pins\n\nPiston rings\n\nLocks","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":43071141445810,"sku":"K618M775","price":619.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0223\/2067\/products\/28166856769714.jpg?v=1766120729","url":"https:\/\/www.hptautosport.com\/products\/wiseco-77-5mm-turbo-pistons-8-5-1-for-02-05-mini-cooper-s-supercharged","provider":"HPTautosport","version":"1.0","type":"link"}