{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a9b3a2712876","name":"PISTON KIT SET/4 83mm OVERSIZE 5.00mm SUZUKI GSXR1100 WOSSNER K8530D500-4","sku":"56-W9890.500.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":793.43,"formatted":"£793.43"},"summary":"Forged piston kit set of four for performance rebuilds, sized at 83.00 mm, 5.00 mm oversize, with measured piston diameter 82.94 mm. Engineered for efficient heat transfer and stable operation under thermal load, featuring an elliptical skirt design to distribute thrust loads evenly and reduce risk of piston collapse. Supplied with rings, pins and circlips. Features include forged pistons engineered for strength and durability, designed to optimize heat transfer from crown to cylinder walls, elliptical skirt profile for uniform bearing surface under expansion, and even thrust load distribution to help prevent piston collapse. Made in Germany. Specifications: Kit type is a set of 4 pistons, bore size is 83.00 mm, measured piston diameter is 82.94 mm, oversize is +5.00 mm, compression ratio is 12.5:1, OEM compression ratio reference is 10.0:1, compression height is 25.30 mm, dome volume is +3.80 cm&sup3;, recommended clearance is 0.06 mm, stroke reference is 58.00 mm, displacement options are 1165 / 1194 / 1224 / 1254 / 1315 cm&sup3;, circlip is CW20, wrist pin is WP029, and ring set is 830XSY. Manufacturer is Wossner.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"83.00mm"},{"label":"Variant Id","value":"259073"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock58019_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock58019_1.jpg"],"description":"Forged piston kit set of four for performance rebuilds, sized at 83.00 mm, 5.00 mm oversize, with measured piston diameter 82.94 mm. Engineered for efficient heat transfer and stable operation under thermal load, featuring an elliptical skirt design to distribute thrust loads evenly and reduce risk of piston collapse. Supplied with rings, pins and circlips. Features include forged pistons engineered for strength and durability, designed to optimize heat transfer from crown to cylinder walls, elliptical skirt profile for uniform bearing surface under expansion, and even thrust load distribution to help prevent piston collapse. Made in Germany. Specifications: Kit type is a set of 4 pistons, bore size is 83.00 mm, measured piston diameter is 82.94 mm, oversize is +5.00 mm, compression ratio is 12.5:1, OEM compression ratio reference is 10.0:1, compression height is 25.30 mm, dome volume is +3.80 cm&sup3;, recommended clearance is 0.06 mm, stroke reference is 58.00 mm, displacement options are 1165 / 1194 / 1224 / 1254 / 1315 cm&sup3;, circlip is CW20, wrist pin is WP029, and ring set is 830XSY. Manufacturer is Wossner.","descriptionMarkdown":"### Wossner Piston Kit Set - 83mm Oversize 5.00mm\n\nUpgrade your engine's performance with this Wossner forged piston kit, designed for demanding rebuilds. This set includes four pistons, each precision-engineered for strength and durability. The 83.00 mm bore size, with a measured piston diameter of 82.94 mm, represents a 5.00 mm oversize, ideal for performance applications.\n\nThese pistons are crafted to optimize heat transfer from the piston crown to the cylinder walls, ensuring stable operation even under extreme thermal loads. The innovative elliptical skirt design plays a crucial role in distributing thrust loads evenly, significantly reducing the risk of piston collapse and promoting a longer lifespan.\n\n**Key Features:**\n\n \n- Forged pistons engineered for superior strength and longevity.\n \n- Optimized heat transfer design for efficient thermal management.\n \n- Elliptical skirt profile ensures a uniform bearing surface during thermal expansion.\n \n- Even thrust load distribution helps prevent piston collapse for enhanced reliability.\n \n- Manufactured in Germany to exacting standards.\n\n**Specifications:**\n\n \n- Kit Type: Set of 4 Pistons\n \n- Bore Size: 83.00 mm\n \n- Measured Piston Diameter: 82.94 mm\n \n- Oversize: +5.00 mm\n \n- Compression Ratio (Manufacturer): 12.5:1\n \n- OEM Compression Ratio (Reference): 10.0:1\n \n- Compression Height: 25.30 mm\n \n- Dome Volume: +3.80 cm&sup3;\n \n- Recommended Clearance: 0.06 mm\n \n- Stroke Reference: 58.00 mm\n \n- Displacement Options (cm&sup3;): 1165 / 1194 / 1224 / 1254 / 1315\n \n- Circlip: CW20\n \n- Wrist Pin: WP029\n \n- Ring Set: 830XSY\n\nThis kit is supplied complete with high-quality rings, pins, and circlips, ready for your performance engine build.","weightGrams":null,"fitments":[{"make":"SUZUKI","model":"GSX R 1100","cc":null,"notes":null,"years":"1989–1992"}],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Pistons & Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/pistons-kits"}],"links":{"page":"https://www.2brosparts.com/products/piston-kit-set4-83mm-oversize-500mm-suzuki-gsxr1100-wossner-k8530d500-4","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/a9b3a2712876:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/a9b3a2712876:1"}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. 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