{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"cd916512d712","name":"PISTON KIT SX-F450 KTM HC 97, FORGED WOSSNER 8715DC","sku":"56-W244.C.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":187.82,"formatted":"£187.82"},"summary":"Wossner forged piston kit with a 97.02mm bore and 96.98mm diameter. This high-compression piston (13.50:1) enhances performance and durability. Manufactured in Germany, it ensures optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features include forged construction for superior strength, high-compression ratio for increased performance, optimized heat transfer for efficient combustion, elliptical design for uniform load distribution, and German manufacturing. Specifications: Bore 97.02mm, Diameter 96.98mm, Display (cm³) 449, Stroke (mm) 68.80, Clearance (mm) 0.04, Wossner Compression Ratio 13.50:1, OEM Compression Ratio 12.50:1, Dome Volume (cm³) +1.10, Compression Height (mm) 21.30. Cross-Reference OEM Part Numbers: Wossner Piston KTM SX-F450 (PN# 8715DC), Lock P/N: CW19, Pin P/N: WP071, Ring Set P/N: 970ADS, Connecting Rod Kit P/N: P4017.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"97mm"},{"label":"Variant Id","value":"255181"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54127_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54127_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54127_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54127_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54127_4.jpg"],"description":"Wossner forged piston kit with a 97.02mm bore and 96.98mm diameter. This high-compression piston (13.50:1) enhances performance and durability. Manufactured in Germany, it ensures optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features include forged construction for superior strength, high-compression ratio for increased performance, optimized heat transfer for efficient combustion, elliptical design for uniform load distribution, and German manufacturing. Specifications: Bore 97.02mm, Diameter 96.98mm, Display (cm³) 449, Stroke (mm) 68.80, Clearance (mm) 0.04, Wossner Compression Ratio 13.50:1, OEM Compression Ratio 12.50:1, Dome Volume (cm³) +1.10, Compression Height (mm) 21.30. Cross-Reference OEM Part Numbers: Wossner Piston KTM SX-F450 (PN# 8715DC), Lock P/N: CW19, Pin P/N: WP071, Ring Set P/N: 970ADS, Connecting Rod Kit P/N: P4017.","descriptionMarkdown":"### Wossner Forged Piston Kit - High Compression for KTM SX-F450\n\nEnhance the performance and durability of your KTM SX-F450 with this premium forged piston kit from Wossner. Engineered for high-compression applications, this piston delivers a noticeable boost in power while maintaining robust construction for longevity.\n\n**Key Features:**\n\n\t\n- Forged Construction: Provides superior strength and resilience compared to cast pistons, capable of withstanding higher stresses and temperatures.\n\t\n- High Compression Ratio: Features a 13.50:1 compression ratio, significantly higher than the OEM 12.50:1, for increased power output and throttle response.\n\t\n- Optimized Heat Transfer: Manufactured in Germany, this piston is designed for efficient heat transfer to the cylinder walls, promoting optimal combustion and preventing overheating.\n\t\n- Elliptical Design: The innovative elliptical shape ensures a uniform bearing surface even under extreme heat expansion. This reduces localized pressure points and distributes thrust loads evenly, preventing piston distortion and collapse.\n\t\n- German Engineering: Built to exacting standards in Germany, guaranteeing precision and quality.\n\n**Specifications:**\n\n\t\n- Bore: 97.02mm\n\t\n- Diameter: 96.98mm\n\t\n- Displacement (cm³): 449\n\t\n- Stroke (mm): 68.80\n\t\n- Clearance (mm): 0.04\n\t\n- Wossner Compression Ratio: 13.50:1\n\t\n- OEM Compression Ratio: 12.50:1\n\t\n- Dome Volume (cm³): +1.10\n\t\n- Compression Height (mm): 21.30\n\n**Included Components:**\n\n\t\n- Piston\n\t\n- Lock Ring (P/N: CW19)\n\t\n- Piston Pin (P/N: WP071)\n\t\n- Ring Set (P/N: 970ADS)","weightGrams":null,"fitments":[{"make":"KTM","model":"450 SM R","cc":null,"notes":null,"years":"2008–2012"},{"make":"KTM","model":"450 SMR","cc":null,"notes":null,"years":"2008–2012"},{"make":"KTM","model":"450 SX","cc":null,"notes":null,"years":"2009–2010"},{"make":"KTM","model":"450 SX ATV","cc":null,"notes":null,"years":"2009–2010"},{"make":"KTM","model":"450 SX-F","cc":null,"notes":null,"years":"2007–2012"}],"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-sx-f450-ktm-hc-97-forged-wossner-8715dc","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/cd916512d712:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/cd916512d712:1"}},"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. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}