{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ef6f242431a1","name":"PISTON KIT 98-01 YFM600 102.00, FORGED WOSSNER 8501D700","sku":"56-W4797+700.WO","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":220.78,"formatted":"£220.78"},"summary":"Wossner 8501D700 forged piston kit for YFM600 Grizzly 1998-2001. This piston kit features a 102mm bore with a 101.93mm actual bore size and a +7.00mm oversize. Wossner forged pistons are superior in strength and design, engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. The elliptical design provides a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly to prevent piston collapse. Made in Germany. Display (cm3) 595, Hub stroke (mm) 84.00, Clearance (mm) 0.07, Wossner compression Ratio: 10.70:1, OEM Compression ratio: 8.50:1, Dome volume (cm3) -0.50, Compression height (mm) 28.00. Lock P/N CW22, Pin P/N WP017, Ring Set P/N 1020XSY. Weight 540g.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"102mm"},{"label":"Variant Id","value":"256113"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4797_2B700_2EWO/495b15a0df87ae0f.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4797_2B700_2EWO/495b15a0df87ae0f.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4797_2B700_2EWO/1c0c26160d161728.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4797_2B700_2EWO/83c6eca3373ee931.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W4797_2B700_2EWO/4bddc2104f7a7187.jpg"],"description":"Wossner 8501D700 forged piston kit for YFM600 Grizzly 1998-2001. This piston kit features a 102mm bore with a 101.93mm actual bore size and a +7.00mm oversize. Wossner forged pistons are superior in strength and design, engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls. The elliptical design provides a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly to prevent piston collapse. Made in Germany. Display (cm3) 595, Hub stroke (mm) 84.00, Clearance (mm) 0.07, Wossner compression Ratio: 10.70:1, OEM Compression ratio: 8.50:1, Dome volume (cm3) -0.50, Compression height (mm) 28.00. Lock P/N CW22, Pin P/N WP017, Ring Set P/N 1020XSY. Weight 540g.","descriptionMarkdown":"### Wossner Forged Piston Kit\n\nThis Wossner forged piston kit is designed to enhance the performance and durability of your engine. Engineered with precision in Germany, these pistons are a significant upgrade over standard components.\n\n#### Key Features:\n\n \n- Superior Strength and Design: Wossner forged pistons are built to withstand higher stresses and temperatures, offering exceptional longevity.\n \n- Optimized Heat Transfer: Engineered to efficiently transfer combustion chamber heat to the cylinder walls, promoting stable engine operation.\n \n- Elliptical Design: The elliptical piston shape ensures a more uniform bearing surface under heat expansion, preventing localized pressure, distributing thrust loads evenly, and avoiding piston collapse.\n \n- Increased Compression Ratio: Features a compression ratio of 10.70:1, compared to the OEM 8.50:1, for improved power output.\n \n- Specific Bore Size: This kit includes a 102.00mm piston with a bore of 101.93mm, representing a +7.00mm increase over standard.\n \n- Performance Components: Includes Lock P/N CW22, Pin P/N WP017, and Ring Set P/N 1020XSY.\n \n- Engine Displacement: Suitable for engines with a theoretical displacement of 595 cm³.\n \n- Precision Measurements: Includes crucial specifications like stroke (84.00mm), clearance (0.07mm), dome volume (-0.50 cm³), and compression height (28.00mm).\n\n**Manufacturer:** Wossner","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-98-01-yfm600-10200-forged-wossner-8501d700","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ef6f242431a1:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ef6f242431a1:1"}},"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."]}}