{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"3010fa6c9fba","name":"PISTON KIT 07-09 RMZ250 HC 77, FORGED WOSSNER 8672DB","sku":"56-W305.B.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":195.02,"formatted":"£195.02"},"summary":"Wossner 56-W305.B.WO PISTON KIT 07-09 RMZ250 HC 77, FORGED WOSSNER 8672DB. High-compression forged piston for increased performance. Optimized heat transfer for improved efficiency. Elliptical design ensures uniform bearing surface under heat expansion. Even thrust load distribution to prevent piston collapse. Manufactured in Germany. Bore Size: 77.01mm (76.97mm). Compression Ratio: 13.9:1. Part Number: 8672DB. Lock Part Number: CW16. Pin Part Number: WP070. Ring Set Part Number: 770XAS-2. Rod Part Number: P4004. Displacement: 249 cm&sup3;. Stroke: 53.60mm. Clearance: 0.04mm. OEM Compression Ratio: 13.4:1. Dome Volume: -2.50 cm&sup3;. Compression Height: 19.60mm.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"255351"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W305_2EB_2EWO/13f823e47acdb364.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W305_2EB_2EWO/13f823e47acdb364.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W305_2EB_2EWO/4912323999923ee8.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W305_2EB_2EWO/665e42d58e9adf6c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W305_2EB_2EWO/c2e500f29a7cdefc.jpg"],"description":"Wossner 56-W305.B.WO PISTON KIT 07-09 RMZ250 HC 77, FORGED WOSSNER 8672DB. High-compression forged piston for increased performance. Optimized heat transfer for improved efficiency. Elliptical design ensures uniform bearing surface under heat expansion. Even thrust load distribution to prevent piston collapse. Manufactured in Germany. Bore Size: 77.01mm (76.97mm). Compression Ratio: 13.9:1. Part Number: 8672DB. Lock Part Number: CW16. Pin Part Number: WP070. Ring Set Part Number: 770XAS-2. Rod Part Number: P4004. Displacement: 249 cm&sup3;. Stroke: 53.60mm. Clearance: 0.04mm. OEM Compression Ratio: 13.4:1. Dome Volume: -2.50 cm&sup3;. Compression Height: 19.60mm.","descriptionMarkdown":"### Wossner Forged High-Compression Piston Kit\n\n\tThis Wossner forged piston kit is engineered for high-performance applications, offering superior strength and efficiency for your motorcycle engine. The high-compression design contributes to increased power output, while the advanced materials promote optimal heat transfer for improved overall performance.\n\n\tThe piston features an elliptical design that ensures uniform bearing surface distribution, even under extreme operating temperatures. This intelligent design helps to evenly distribute thrust loads, preventing localized pressure points and significantly reducing the risk of piston collapse.\n\n**Key Features:**\n\n\t\n- Forged high-compression piston for enhanced engine performance.\n\t\n- Optimized for superior heat transfer efficiency.\n\t\n- Elliptical design provides a uniform bearing surface under thermal expansion.\n\t\n- Even thrust load distribution to prevent piston collapse and extend engine life.\n\t\n- Precision manufactured in Germany for exceptional quality and reliability.\n\n**Specifications:**\n\n\t\n- Bore Size: 77.01mm (nominal 76.97mm)\n\t\n- Compression Ratio: 13.9:1\n\t\n- Lock Part Number: CW16\n\t\n- Pin Part Number: WP070\n\t\n- Ring Set Part Number: 770XAS-2\n\t\n- Rod Part Number: P4004\n\t\n- Engine Displacement: 249 cm&sup3;\n\t\n- Stroke: 53.60mm\n\t\n- Piston Clearance: 0.04mm\n\t\n- OEM Compression Ratio: 13.4:1\n\t\n- Dome Volume: -2.50 cm&sup3;\n\t\n- Compression Height: 19.60mm","weightGrams":null,"fitments":[{"make":"SUZUKI","model":"RM-Z 250","cc":null,"notes":null,"years":"2007–2009"}],"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-07-09-rmz250-hc-77-forged-wossner-8672db","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/3010fa6c9fba:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/3010fa6c9fba: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."]}}