{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"b70ad215cbae","name":"PISTON KIT 100MM SUZUKI RM-Z 450 13-18, ATHENA S4F100000200 490CC BIG BORE","sku":"56-K179.100.PIA","brand":"Athena","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":217.82,"formatted":"£217.82"},"summary":"ATHENA Forged Racing Piston Ø 99.95 mm for Athena Big Bore Cylinder - S4F100000200. This piston is made of a special high-performance aluminum alloy with high silicon content, produced with cutting-edge CNC machining tools to ensure dimensional tolerances of less than 0.01 mm. Some pistons feature a molybdenum disulfide coating on the skirts to reduce friction, enhancing performance and durability. The piston rings are produced in Japan with wear-resistant coatings (PVD or chromium nitride) to increase retention and durability. This piston kit includes the piston, pin, circlips, and piston rings. All components are replaceable and interchangeable. Technical features: Big End Pin Diameter 19x10x45 mm, Bore Diameter 99.95 mm, Compression Height 29.00 mm, Compression Ratio 12.0:1, Displacement 450 cc, Net Weight 0.36 Kg, Number Of Segments 3, Piston Pin Type Biconical, Piston Type Forged. Partner Cross Reference: S41316178 Rings.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"100mm"},{"label":"Variant Id","value":"253077"}],"image":"https://www.oro2u.com/media/catalog/product/5/6/56-k179-100-pia.jpg","images":["https://www.oro2u.com/media/catalog/product/5/6/56-k179-100-pia.jpg"],"description":"ATHENA Forged Racing Piston Ø 99.95 mm for Athena Big Bore Cylinder - S4F100000200. This piston is made of a special high-performance aluminum alloy with high silicon content, produced with cutting-edge CNC machining tools to ensure dimensional tolerances of less than 0.01 mm. Some pistons feature a molybdenum disulfide coating on the skirts to reduce friction, enhancing performance and durability. The piston rings are produced in Japan with wear-resistant coatings (PVD or chromium nitride) to increase retention and durability. This piston kit includes the piston, pin, circlips, and piston rings. All components are replaceable and interchangeable. Technical features: Big End Pin Diameter 19x10x45 mm, Bore Diameter 99.95 mm, Compression Height 29.00 mm, Compression Ratio 12.0:1, Displacement 450 cc, Net Weight 0.36 Kg, Number Of Segments 3, Piston Pin Type Biconical, Piston Type Forged. Partner Cross Reference: S41316178 Rings.","descriptionMarkdown":"### Athena Forged Piston Kit Big Bore 100mm for Suzuki RM-Z 450\n\nEnhance the performance and reliability of your Suzuki RM-Z 450 with this premium forged piston kit from Athena. Engineered in Italy and manufactured using cutting-edge CNC machining, this piston kit ensures exceptional dimensional accuracy, guaranteeing a perfect fit and optimal engine function. Crafted from a special high-performance aluminum alloy with a high silicon content, these pistons offer superior resistance and durability without compromising on the reliability of OE parts.\n\nThe advanced design of this Athena piston promotes a regular flow and perfect flame propagation, leading to increased power output. Some piston skirts are treated with a molybdenum disulfide coating to further reduce friction, boosting both performance and longevity. The included piston rings are produced in Japan with wear-resistant coatings, such as PVD or chromium nitride, ensuring extended durability and excellent adaptation to the cylinder liner.\n\nThis comprehensive kit includes the forged piston, pin, circlips, and piston rings, all of which are replaceable and interchangeable. Athena pistons are rigorously tested on dynamometer benches and on the track to validate their performance under extreme conditions.\n\n**Key Features:**\n\n \n- Forged piston construction for superior strength and performance.\n \n- High-performance aluminum alloy with high silicon content for increased resistance.\n \n- Precision CNC machining ensures dimensional tolerances of less than 0.01 mm.\n \n- Special coating on piston skirts (where applicable) to reduce friction.\n \n- High-quality piston rings manufactured in Japan with wear-resistant coatings.\n \n- Designed for Athena Big Bore cylinder kits.\n \n- Engineered and tested for extreme conditions.\n \n- Includes piston, pin, circlips, and piston rings.\n\n**Technical Specifications:**\n\n \n- Big End Pin Diameter: 19x10x45 mm\n \n- Bore Diameter: 99.95 mm\n \n- Compression Height: 29.00 mm\n \n- Compression Ratio: 12.0:1\n \n- Displacement: 450 cc\n \n- Number of Segments: 3\n \n- Piston Pin Type: Biconical\n \n- Piston Type: Forged\n\n**Please Note:** Products manufactured for increased displacement and power that exceed road code regulations are intended exclusively for competitive use. Athena assumes no responsibility for any use of the product contrary to national regulations.","weightGrams":null,"fitments":[{"make":"SUZUKI","model":"RM-Z 450","cc":null,"notes":null,"years":"2008–2019"}],"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-100mm-suzuki-rm-z-450-13-18-athena-s4f100000200-490cc-big-bore","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/b70ad215cbae:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/b70ad215cbae: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."]}}