{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"310109d82b19","name":"PISTON KIT 92-94 RS125 GP 54.0, FORGED WOSSNER 8162DD","sku":"56-W9724.D.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":131.8,"formatted":"£131.80"},"summary":"Wossner forged piston kit with a 54.03mm nominal bore (actual 53.96mm) is a +0.03mm oversize replacement. Built for two-stroke race applications, it offers robust construction and optimised thermal performance to handle high engine demands. Features a forged piston design for superior strength and thermal conductivity, an elliptical profile for uniform load distribution under thermal expansion, and is manufactured in Germany to high-performance standards. Specifications include a bore size of 54.03mm (actual 53.96mm), stroke of 54.50 mm, clearance of 0.07 mm, Wossner compression ratio of 2 stroke, OEM compression ratio of 2 stroke, compression height of 30.00 mm, lock part number CW15, pin part number WP025, and ring set part number RSA5400. Weight is 178g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.0mm"},{"label":"Variant Id","value":"258563"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock57509_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock57509_1.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57509_2.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57509_3.jpg","https://www.oro2u.com/media/catalog/product/s/t/stock57509_4.jpg"],"description":"Wossner forged piston kit with a 54.03mm nominal bore (actual 53.96mm) is a +0.03mm oversize replacement. Built for two-stroke race applications, it offers robust construction and optimised thermal performance to handle high engine demands. Features a forged piston design for superior strength and thermal conductivity, an elliptical profile for uniform load distribution under thermal expansion, and is manufactured in Germany to high-performance standards. Specifications include a bore size of 54.03mm (actual 53.96mm), stroke of 54.50 mm, clearance of 0.07 mm, Wossner compression ratio of 2 stroke, OEM compression ratio of 2 stroke, compression height of 30.00 mm, lock part number CW15, pin part number WP025, and ring set part number RSA5400. Weight is 178g.","descriptionMarkdown":"### Wossner Forged Piston Kit for Honda RS125 GP (1992-1994)\n\nThis Wossner forged piston kit is engineered for high-performance two-stroke race applications. It serves as a direct replacement for Honda RS125 GP models manufactured between 1992 and 1994, offering enhanced strength and optimized thermal performance to meet demanding racing conditions.\n\n#### Key Features:\n\n- Forged piston construction provides superior durability and excellent thermal conductivity for consistent performance.\n\n- Elliptical piston profile is designed for uniform load distribution, accommodating thermal expansion effectively.\n\n- Manufactured in Germany, adhering to high-performance engineering standards.\n\n#### Specifications:\n\n- Nominal Bore Size: 54.03mm\n\n- Actual Bore Size: 53.96mm\n\n- Stroke: 54.50 mm\n\n- Clearance: 0.07 mm\n\n- Compression Height: 30.00 mm\n\n- Lock Part Number: CW15\n\n- Pin Part Number: WP025\n\n- Ring Set Part Number: RSA5400","weightGrams":null,"fitments":[{"make":"HONDA","model":"RS 125","cc":null,"notes":null,"years":"1992–1994"}],"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-92-94-rs125-gp-540-forged-wossner-8162dd","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/310109d82b19:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/310109d82b19:1"}},"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."]}}