{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"1eea2b807662","name":"TOP END PISTON & GASKET KIT 77MM SUZUKI RM-Z 250 10-18, ATHENA P5F0770098004B, SET B","sku":"56-T1004.B_ATH","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":225.18,"formatted":"£225.18"},"summary":"Athena Top End Piston Kit with forged 4-stroke piston and top end gasket kit. Features a piston bore diameter of 76.96 mm and compression ratio of 13.4:1. The piston is forged from a special high-performance aluminum alloy with high silicon content, offering enhanced resistance and performance. Some pistons have a molybdenum disulfide coating on the skirts to reduce friction. The kit includes two Japanese-made piston rings with wear-resistant coatings (PVD or chromium nitride) for increased durability. The gasket kit is developed with over 40 years of experience, utilizing advanced technology and materials for reliability and optimal sealing. Big End Pin Diameter: 16x9x40.1 mm. Compression Height: 19.70 mm. Displacement: 250 cc. Number of Segments: 2. Piston Pin Type: Biconical.","attributes":[{"label":"Variant Id","value":"309785"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1004_2EB_5FATH/cd9794c01e397e51.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-T1004_2EB_5FATH/cd9794c01e397e51.jpg"],"description":"Athena Top End Piston Kit with forged 4-stroke piston and top end gasket kit. Features a piston bore diameter of 76.96 mm and compression ratio of 13.4:1. The piston is forged from a special high-performance aluminum alloy with high silicon content, offering enhanced resistance and performance. Some pistons have a molybdenum disulfide coating on the skirts to reduce friction. The kit includes two Japanese-made piston rings with wear-resistant coatings (PVD or chromium nitride) for increased durability. The gasket kit is developed with over 40 years of experience, utilizing advanced technology and materials for reliability and optimal sealing. Big End Pin Diameter: 16x9x40.1 mm. Compression Height: 19.70 mm. Displacement: 250 cc. Number of Segments: 2. Piston Pin Type: Biconical.","descriptionMarkdown":"### Athena Top End Piston and Gasket Kit\n\nThis Athena Top End Piston Kit offers a perfect combination of two essential engine components for your motorcycle. Including a forged 4-stroke piston and a complete top end gasket kit, this set is designed to work seamlessly together for optimal performance and reliability.\n\nAthena meticulously studies, develops, and tests all piston technologies and materials in-house, ensuring the highest quality. They also engineer the development of compatible gaskets, providing a perfectly tuned kit for exceptional performance and maximum reliability after piston replacement.\n\n#### Key Features:\n\n \n- Forged 4-Stroke Piston: Manufactured using advanced numerical control (CNC) machines from a special high-performance aluminum alloy with a high silicon content. This ensures OE piston reliability while offering increased resistance and excellent performance.\n \n- Smooth Piston Profile: Designed for regular flow and perfect flame propagation.\n \n- Molybdenum Disulfide Coating: Some piston skirts feature a molybdenum disulfide coating applied by screen printing to further reduce friction, enhancing performance and durability.\n \n- High-Quality Piston Rings: Made in Japan, these rings provide less friction with the cylinder for higher performance. They feature wear-resistant coatings (PVD or chromium nitride) to increase retention and durability.\n \n- Reliable Gasket Kit: Based on over 40 years of industry experience, Athena gaskets are known for their reliability. Developed by an internal team of engineers and designers, and produced following strict manufacturer parameters.\n \n- Precision Cutting: The use of latest-generation lasers ensures perfect cutting quality for all gaskets.\n \n- Advanced Material Treatments: Athena utilizes a wide availability of raw materials and performs surface treatments to compensate for irregularities and material stress-relieving processes to improve sealing in critical areas.\n\n#### Technical Specifications:\n\n \n- Piston Diameter: 76.96 mm\n \n- Compression Height: 19.70 mm\n \n- Compression Ratio: 13.4:1\n \n- Number of Piston Rings: 2\n \n- Piston Type: Forged\n \n- Piston Pin Type: Biconical\n \n- Big End Pin Diameter: 16x9x40.1 mm\n \n- Displacement: 250 cc","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/top-end-piston-gasket-kit-77mm-suzuki-rm-z-250-10-18-athena-p5f0770098004b-set-b","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/1eea2b807662:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/1eea2b807662:1"}},"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."]}}