{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"cb72457c90b1","name":"PISTON KIT 92-94 RS125 GP 54.0, FORGED WOSSNER 8162DC","sku":"56-W9724.C.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 54.02mm nominal bore (actual 53.95mm) is a +0.02mm oversize option. This kit is designed for high-performance two-stroke applications and ensures optimal strength, heat transfer, and reliability under racing conditions. Features include forged piston construction for enhanced strength and durability, designed to improve heat transfer to cylinder walls, and an elliptical profile that reduces stress concentrations and improves thrust load distribution. This piston is precision-engineered in Germany. Specifications include a bore size of 54.02mm (actual 53.95mm), stroke of 54.50 mm, clearance of 0.07 mm, a 2 stroke Wossner compression ratio, a 2 stroke OEM compression ratio, compression height of 30.00 mm, lock part number CW15, pin part number WP025, and ring set part number RSA5400. The weight is 178 grams.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"54.0mm"},{"label":"Variant Id","value":"258562"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9724_2EC_2EWO/eac8e564893b737f.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9724_2EC_2EWO/eac8e564893b737f.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9724_2EC_2EWO/24116cea4fa6343c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9724_2EC_2EWO/c4ca9a489a3c316e.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W9724_2EC_2EWO/dbb94b5c22108637.jpg"],"description":"Wossner forged piston kit with a 54.02mm nominal bore (actual 53.95mm) is a +0.02mm oversize option. This kit is designed for high-performance two-stroke applications and ensures optimal strength, heat transfer, and reliability under racing conditions. Features include forged piston construction for enhanced strength and durability, designed to improve heat transfer to cylinder walls, and an elliptical profile that reduces stress concentrations and improves thrust load distribution. This piston is precision-engineered in Germany. Specifications include a bore size of 54.02mm (actual 53.95mm), stroke of 54.50 mm, clearance of 0.07 mm, a 2 stroke Wossner compression ratio, a 2 stroke OEM compression ratio, compression height of 30.00 mm, lock part number CW15, pin part number WP025, and ring set part number RSA5400. The weight is 178 grams.","descriptionMarkdown":"### Wossner Forged Piston Kit 54.02mm for RS125 GP\n\nThis Wossner forged piston kit is a high-performance upgrade designed for the Honda RS125 GP models. Featuring a nominal bore of 54.02mm (actual 53.95mm), this kit provides a +0.02mm oversize option crucial for maintaining optimal engine performance and reliability in demanding racing conditions.\n\nManufactured in Germany, Wossner pistons are renowned for their superior strength, exceptional heat transfer capabilities, and robust durability. The forged construction ensures that the piston can withstand the intense pressures and temperatures of high-performance two-stroke engines.\n\n**Key Features:**\n\n\t\n- Forged piston construction for enhanced strength and longevity.\n\t\n- Engineered to improve heat transfer efficiency to the cylinder walls.\n\t\n- Features an elliptical profile designed to reduce stress concentrations.\n\t\n- Optimizes thrust load distribution for smoother operation.\n\t\n- Precision engineered in Germany for quality and performance.\n\n**Specifications:**\n\n\t\n- Bore Size: 54.02mm (actual 53.95mm)\n\t\n- Stroke: 54.50 mm\n\t\n- Clearance: 0.07 mm\n\t\n- Compression Height: 30.00 mm\n\t\n- Lock Part Number: CW15\n\t\n- Pin Part Number: WP025\n\t\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-8162dc","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/cb72457c90b1:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/cb72457c90b1:1"}},"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."]}}