{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"edea79efbe96","name":"PISTON KIT 78-80 CR250 70.00, FORGED WOSSNER 8154DA, ATC250R 81-84","sku":"56-W431+P0.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":153.35,"formatted":"£153.35"},"summary":"Wossner forged piston kit with bore size 70.00 mm. Actual bore is 69.94 mm, stroke 64.40 mm, clearance 0.06 mm, and compression height 32.50 mm. The compression ratio is 2-stroke with a displacement of 123 cm&sup3;. Manufactured in Germany, this piston kit offers superior strength and heat transfer efficiency due to its forged construction. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse, contributing to uniform bearing surface and reduced wear. Wossner part number 8154DA. Includes lock pin CW18, pin WP033, and ring set RSB7000. OEM piston cross-reference 13100-467-000. Other reference numbers include 09104851 and 431M07000.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"70mm"},{"label":"Variant Id","value":"255562"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W431_2BP0_2EWO/f83894c41bdafa5c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W431_2BP0_2EWO/f83894c41bdafa5c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W431_2BP0_2EWO/b0aabb9ad7f1d66a.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W431_2BP0_2EWO/b601149c5f02e06f.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W431_2BP0_2EWO/6b2ccdaee4cf2329.jpg"],"description":"Wossner forged piston kit with bore size 70.00 mm. Actual bore is 69.94 mm, stroke 64.40 mm, clearance 0.06 mm, and compression height 32.50 mm. The compression ratio is 2-stroke with a displacement of 123 cm&sup3;. Manufactured in Germany, this piston kit offers superior strength and heat transfer efficiency due to its forged construction. The elliptical design ensures even load distribution, reducing localized pressure and preventing piston collapse, contributing to uniform bearing surface and reduced wear. Wossner part number 8154DA. Includes lock pin CW18, pin WP033, and ring set RSB7000. OEM piston cross-reference 13100-467-000. Other reference numbers include 09104851 and 431M07000.","descriptionMarkdown":"### Wossner Forged Piston Kit for Honda CR250R and ATC250R\n\nUpgrade your engine's performance and durability with this premium forged piston kit from Wossner. Engineered for superior strength and heat transfer efficiency, this piston is designed to withstand the demands of high-performance 2-stroke engines. Manufactured in Germany, Wossner pistons are renowned for their quality and precision.\n\n#### Key Features:\n\n\t\n- Forged Construction: Provides exceptional strength and resistance to wear compared to cast pistons.\n\t\n- Optimized Heat Transfer: Enhances thermal management for improved engine reliability and performance.\n\t\n- Elliptical Design: Ensures uniform bearing surface against the cylinder wall, reducing localized pressure and preventing premature wear and potential piston collapse.\n\t\n- 2-Stroke Engine Specific: Precisely engineered for the operational characteristics of 2-stroke powerplants.\n\n#### Specifications:\n\n\t\n- Piston Bore Size: 70.00 mm\n\t\n- Actual Piston Bore: 69.94 mm\n\t\n- Stroke Measurement: 64.40 mm\n\t\n- Recommended Clearance: 0.06 mm\n\t\n- Compression Height: 32.50 mm\n\t\n- Compression Ratio: 2-stroke\n\t\n- Engine Displacement: 123 cm&sup3;\n\t\n- Manufacturing Origin: Made in Germany\n\n#### Included Components:\n\n\t\n- Wossner Part Number: 8154DA\n\t\n- Lock Ring Part Number: CW18\n\t\n- Piston Pin Part Number: WP033\n\t\n- Ring Set Part Number: RSB7000","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-78-80-cr250-7000-forged-wossner-8154da-atc250r-81-84","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."]}}