{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"c1a6a595c80e","name":"PISTON KIT 06-09 KXF250 77 HC, FORGED WOSSNER 8686DA 13001-0088","sku":"56-W302+00A.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":172.51,"formatted":"£172.51"},"summary":"Wossner forged high-compression piston kit with a 77mm bore (76.96mm) and 13.9:1 compression ratio. Features optimized heat transfer, an elliptical design for uniform bearing surface under heat expansion, and even thrust load distribution to prevent piston collapse. Manufactured in Germany. Specifications include 13.9:1 compression ratio, part number 8686DA, lock part number CW16, pin part number WP070, ring set part number 770XAS-2, rod part number P4002, 250 cm³ displacement, 53.60mm stroke, 0.04mm clearance, 13.2:1 OEM compression ratio, -3.40 cm³ dome volume, and 19.60mm compression height. Cross-references OEM part numbers 13001-0088 and 4927M07700. Weight 230g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"77mm"},{"label":"Variant Id","value":"255340"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54286_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54286_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54286_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54286_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock54286_4.jpg"],"description":"Wossner forged high-compression piston kit with a 77mm bore (76.96mm) and 13.9:1 compression ratio. Features optimized heat transfer, an elliptical design for uniform bearing surface under heat expansion, and even thrust load distribution to prevent piston collapse. Manufactured in Germany. Specifications include 13.9:1 compression ratio, part number 8686DA, lock part number CW16, pin part number WP070, ring set part number 770XAS-2, rod part number P4002, 250 cm³ displacement, 53.60mm stroke, 0.04mm clearance, 13.2:1 OEM compression ratio, -3.40 cm³ dome volume, and 19.60mm compression height. Cross-references OEM part numbers 13001-0088 and 4927M07700. Weight 230g.","descriptionMarkdown":"### Wossner High Compression Forged 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 is designed to deliver noticeable improvements in power and efficiency.\n\n### Key Features\n\n\t\n- High Compression Forged Piston: Increases engine power and responsiveness for a more aggressive ride.\n\t\n- Optimized Heat Transfer: Features design elements that promote efficient heat dissipation, crucial for sustained performance.\n\t\n- Elliptical Design: This advanced elliptical shape ensures uniform bearing surface distribution even under the stress of heat expansion, reducing localized pressure.\n\t\n- Even Thrust Load Distribution: The piston's design effectively distributes thrust loads, preventing piston collapse and ensuring longevity.\n\t\n- Premium German Manufacturing: Crafted in Germany, guaranteeing high standards of quality and precision engineering.\n\n### Specifications\n\n\t\n- Bore Size: 77mm (actual measurement 76.96mm)\n\t\n- Compression Ratio: 13.9:1\n\t\n- Piston Part Number: 8686DA\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: P4002\n\t\n- Engine Displacement: 250 cm&sup3;\n\t\n- Stroke: 53.60mm\n\t\n- Clearance: 0.04mm\n\t\n- OEM Compression Ratio Comparison: 13.2:1\n\t\n- Dome Volume: -3.40 cm&sup3;\n\t\n- Compression Height: 19.60mm\n\n### Cross-Reference OEM Part Numbers\n\n\t\n- 13001-0088\n\t\n- 4927M07700","weightGrams":null,"fitments":[],"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-06-09-kxf250-77-hc-forged-wossner-8686da-13001-0088","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/c1a6a595c80e:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/c1a6a595c80e: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."]}}