{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"4633429f39ee","name":"PISTON KIT 10-13 YZF450 97 A, FORGED WOSSNER 8776DA, 33D-11631-00-00","sku":"56-W261.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":208.24,"formatted":"£208.24"},"summary":"Wossner forged piston kit. Manufactured in Germany, this piston features a forged construction for increased strength and durability, with an elliptical design for a uniform bearing surface and even load distribution. It optimizes combustion chamber heat transfer to the cylinder walls, reducing localized pressure and preventing piston collapse. Bore: 97 mm. Actual Bore Size: 96.96 mm. Display: 449 cm³. Stroke: 60.80 mm. Clearance: 0.04 mm. Wossner Compression Ratio: OEM. OEM Compression Ratio: 12.50:1. Dome Volume: -5.40 cm³. Compression Height: 24.00 mm. Included Components: Piston Wossner 8776DA, Lock CW18, Pin WP072, Ring Set 970ADS-2, Rod P4032. Cross-Reference OEM Part Numbers: 33D-11631-00-00, 33D-116A0-00-00, 33D-11631-00-00 + 33D-11603-00-00 + 33D-11633-00-00 + 93450-19052-00.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"97mm"},{"label":"Variant Id","value":"255287"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54233_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54233_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54233_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54233_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54233_4.jpg"],"description":"Wossner forged piston kit. Manufactured in Germany, this piston features a forged construction for increased strength and durability, with an elliptical design for a uniform bearing surface and even load distribution. It optimizes combustion chamber heat transfer to the cylinder walls, reducing localized pressure and preventing piston collapse. Bore: 97 mm. Actual Bore Size: 96.96 mm. Display: 449 cm³. Stroke: 60.80 mm. Clearance: 0.04 mm. Wossner Compression Ratio: OEM. OEM Compression Ratio: 12.50:1. Dome Volume: -5.40 cm³. Compression Height: 24.00 mm. Included Components: Piston Wossner 8776DA, Lock CW18, Pin WP072, Ring Set 970ADS-2, Rod P4032. Cross-Reference OEM Part Numbers: 33D-11631-00-00, 33D-116A0-00-00, 33D-11631-00-00 + 33D-11603-00-00 + 33D-11633-00-00 + 93450-19052-00.","descriptionMarkdown":"### Wossner Forged Piston Kit for Yamaha YZF450\n\nUpgrade your Yamaha YZF450 with this high-performance forged piston kit from Wossner. Engineered for superior strength and optimized combustion, this kit is designed to enhance the performance and durability of your motorcycle's engine.\n\n**Key Features:**\n\n\t\n- Forged Construction: Provides exceptional strength and resistance to wear, ensuring longevity under demanding conditions.\n\t\n- Optimized Heat Transfer: Designed to efficiently transfer combustion heat to the cylinder walls, promoting consistent engine operation and preventing overheating.\n\t\n- Elliptical Piston Design: Creates a uniform bearing surface, reducing localized pressure and evenly distributing thrust loads. This design helps prevent piston collapse and ensures smooth operation.\n\t\n- Manufactured in Germany: Reflects a commitment to precision engineering and high-quality manufacturing standards.\n\n**Specifications:**\n\n\t\n- Bore: 97 mm\n\t\n- Actual Bore Size: 96.96 mm\n\t\n- Displacement: 449 cm&sup3;\n\t\n- Stroke: 60.80 mm\n\t\n- Clearance: 0.04 mm\n\t\n- Wossner Compression Ratio: OEM\n\t\n- OEM Compression Ratio: 12.50:1\n\t\n- Dome Volume: -5.40 cm&sup3;\n\t\n- Compression Height: 24.00 mm\n\n**Included Components:**\n\n\t\n- Piston: Wossner 8776DA\n\t\n- Lock: CW18\n\t\n- Pin: WP072\n\t\n- Ring Set: 970ADS-2\n\t\n- Rod: P4032\n\n**Cross-Reference OEM Part Numbers:**\n\n\t\n- 33D-11631-00-00\n\t\n- 33D-116A0-00-00\n\t\n- 33D-11631-00-00 + 33D-11603-00-00 + 33D-11633-00-00 + 93450-19052-00","weightGrams":null,"fitments":[{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2010–2013"},{"make":"YAMAHA","model":"YZF 450","cc":null,"notes":null,"years":"2010–2013"}],"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-10-13-yzf450-97-a-forged-wossner-8776da-33d-11631-00-00","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/4633429f39ee:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/4633429f39ee: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."]}}