{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"7453fb262d93","name":"PISTON KIT SX-F450 KTM HC 97, FORGED WOSSNER 8715DA 77330007500","sku":"56-W244.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":220.73,"formatted":"£220.73"},"summary":"Wossner forged piston kit with a 97.00mm bore and 96.96mm 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, and elliptical design for uniform load distribution. Specifications: Bore 97.00mm, Diameter 96.96mm, 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# 8715DA), Lock P/N: CW19, Pin P/N: WP071, Ring Set P/N: 970ADS-2, Connecting Rod Kit P/N: P4017, OEM References: 77330007500, 4938M09700.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"97mm"},{"label":"Variant Id","value":"255177"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W244_2EA_2EWO/2083d96694e49b10.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W244_2EA_2EWO/2083d96694e49b10.jpg"],"description":"Wossner forged piston kit with a 97.00mm bore and 96.96mm 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, and elliptical design for uniform load distribution. Specifications: Bore 97.00mm, Diameter 96.96mm, 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# 8715DA), Lock P/N: CW19, Pin P/N: WP071, Ring Set P/N: 970ADS-2, Connecting Rod Kit P/N: P4017, OEM References: 77330007500, 4938M09700.","descriptionMarkdown":"### Wossner Forged High Compression Piston Kit for KTM SX-F450\n\nElevate your KTM SX-F450's performance with this premium forged piston kit from Wossner. Engineered for power and durability, this kit is designed to enhance combustion efficiency and provide a significant performance boost. Manufactured to exacting standards in Germany, Wossner pistons are renowned for their quality and advanced design.\n\nThe high-compression design delivers increased horsepower and torque, while the forged construction ensures exceptional strength to withstand the demands of high-performance riding. Wossner's innovative elliptical design promotes uniform load distribution, optimizing the bearing surface under thermal expansion. This reduces localized pressure points, preventing piston collapse and ensuring even thrust load distribution for extended engine life.\n\n**Key Features:**\n\n\t\n- Forged construction for superior strength and reliability.\n\t\n- High compression ratio (13.50:1) for enhanced engine performance.\n\t\n- Optimized heat transfer for efficient combustion and reduced engine stress.\n\t\n- Elliptical piston design for uniform load distribution and improved durability.\n\t\n- Precision manufactured in Germany.\n\n**Specifications:**\n\n\t\n- Bore: 97.00mm\n\t\n- Diameter: 96.96mm\n\t\n- Displacement: 449 cm³\n\t\n- Stroke: 68.80mm\n\t\n- Piston to Cylinder Clearance: 0.04mm\n\t\n- Wossner Compression Ratio: 13.50:1\n\t\n- OEM Compression Ratio: 12.50:1\n\t\n- Dome Volume: +1.10 cm³\n\t\n- Compression Height: 21.30mm\n\n**Included Components:**\n\n\t\n- Wossner Piston Kit Part Number: 8715DA\n\t\n- Lock Ring Part Number: CW19\n\t\n- Wrist Pin Part Number: WP071\n\t\n- Ring Set Part Number: 970ADS-2\n\t\n- Connecting Rod Kit Part Number: P4017\n\n**Cross-Reference OEM Part Numbers:**\n\n\t\n- 77330007500\n\t\n- 4938M09700","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-8715da-77330007500","buyOneNow":null,"basketWithThis":null}},"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."]}}