{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b11d08713eee","name":"PISTON KIT 07-09 RMZ250 HC 77, FORGED WOSSNER 8672DA 12111-10H20-0F0","sku":"56-W305.A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":5,"price":{"amount":195.02,"formatted":"£195.02"},"summary":"Wossner forged high-compression piston kit with a 77mm bore (76.96mm). Designed for superior strength and heat transfer efficiency, this piston ensures optimal combustion performance. The elliptical design distributes thrust loads evenly, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Features include a high-compression forged piston for increased performance, optimized heat transfer for improved efficiency, and an elliptical design that ensures a uniform bearing surface under heat expansion and even thrust load distribution to prevent piston collapse. Specifications include: Bore Size: 77mm (76.96mm), Compression Ratio: 13.9:1, Part Number: 8672DA, 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. Cross-reference OEM Part Numbers: 12111-10H20-0F0, 4928M07700.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"255350"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W305_2EA_2EWO/13f823e47acdb364.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W305_2EA_2EWO/13f823e47acdb364.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W305_2EA_2EWO/4912323999923ee8.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W305_2EA_2EWO/665e42d58e9adf6c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W305_2EA_2EWO/c2e500f29a7cdefc.jpg"],"description":"Wossner forged high-compression piston kit with a 77mm bore (76.96mm). Designed for superior strength and heat transfer efficiency, this piston ensures optimal combustion performance. The elliptical design distributes thrust loads evenly, reducing localized pressure and preventing piston collapse. Manufactured in Germany. Features include a high-compression forged piston for increased performance, optimized heat transfer for improved efficiency, and an elliptical design that ensures a uniform bearing surface under heat expansion and even thrust load distribution to prevent piston collapse. Specifications include: Bore Size: 77mm (76.96mm), Compression Ratio: 13.9:1, Part Number: 8672DA, 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. Cross-reference OEM Part Numbers: 12111-10H20-0F0, 4928M07700.","descriptionMarkdown":"### Wossner 77mm Forged High-Compression Piston Kit\n\nEnhance your motorcycle's performance with this Wossner forged high-compression piston kit. Engineered for superior strength and optimal combustion, this kit features a 77mm bore for increased power output. The advanced elliptical design ensures even distribution of thrust loads, preventing premature wear and piston collapse. Manufactured in Germany for exceptional quality and durability.\n\n#### Key Features:\n\n\t\n- High-Compression Forged Piston: Delivers increased performance and power.\n\t\n- Optimized Heat Transfer: Improves combustion efficiency and engine reliability.\n\t\n- Elliptical Design: Guarantees a uniform bearing surface under heat expansion, reducing stress.\n\t\n- Even Thrust Load Distribution: Minimizes localized pressure, preventing piston collapse.\n\t\n- Precision Manufacturing: Made in Germany to the highest standards.\n\n#### Specifications:\n\n\t\n- Bore Size: 77mm (76.96mm)\n\t\n- Compression Ratio: 13.9:1\n\t\n- Part Number: 8672DA\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- Displacement: 249 cm&sup3;\n\t\n- Stroke: 53.60mm\n\t\n- 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\n\n#### Cross-Reference OEM Part Numbers:\n\n\t\n- 12111-10H20-0F0\n\t\n- 4928M07700","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-8672da-12111-10h20-0f0","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b11d08713eee:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b11d08713eee: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."]}}