{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"ff6c724b1512","name":"PISTON KIT LTZ400 KFX400 90.00, PROX 01.3420.B CR 12.2:1","sku":"56-W4713.B.PX","brand":"Pro-X Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":212.17,"formatted":"£212.17"},"summary":"ProX Piston Kit 56-W4713.B.PX features a 90.00mm bore and a standard compression ratio of 12.2:1. This 4-stroke piston kit is supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined using the latest CNC equipment and employ a low-expansion, low-friction piston alloy consistent with major Japanese engine manufacturers. The kit includes an OEM-style tin coating to aid the break-in process. Replacement parts include piston rings 02.3402 and piston pin. The kit part number is PROX 01.3420.B.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"90mm"},{"label":"Variant Id","value":"255924"}],"image":"https://www.oro2u.com/media/catalog/product/s/t/stock54870_1.jpg","images":["https://www.oro2u.com/media/catalog/product/s/t/stock54870_1.jpg"],"description":"ProX Piston Kit 56-W4713.B.PX features a 90.00mm bore and a standard compression ratio of 12.2:1. This 4-stroke piston kit is supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined using the latest CNC equipment and employ a low-expansion, low-friction piston alloy consistent with major Japanese engine manufacturers. The kit includes an OEM-style tin coating to aid the break-in process. Replacement parts include piston rings 02.3402 and piston pin. The kit part number is PROX 01.3420.B.","descriptionMarkdown":"### ProX Piston Kit - 90.00mm Bore, 12.2:1 Compression\n\nThis ProX Piston Kit is engineered for high-performance four-stroke engines, featuring a 90.00mm bore and a standard compression ratio of 12.2:1. Designed for direct installation, each kit includes essential components for a complete rebuild: piston rings, wrist pin, and circlips.\n\nProX pistons are manufactured using advanced CNC equipment, ensuring precision and consistency. The alloy used is specifically chosen for its low expansion and low friction properties, mirroring the materials used by leading Japanese engine manufacturers. To aid in the initial break-in process, the piston features an OEM-style tin coating, promoting smooth operation from the first start.\n\n**Key Features:**\n\n \n- Bore Size: 90.00mm\n \n- Compression Ratio: 12.2:1\n \n- Includes Piston Rings, Wrist Pin, and Circlips\n \n- Precision Machined on State-of-the-Art CNC Equipment\n \n- Low-Expansion, Low-Friction Piston Alloy\n \n- OEM-Style Tin Coating for Enhanced Break-in\n \n- Ready for Installation","weightGrams":null,"fitments":[{"make":"ARCTIC CAT","model":"DVX 400","cc":null,"notes":null,"years":"2004–2008"},{"make":"KAWASAKI","model":"KFX 400","cc":null,"notes":null,"years":"2003–2008"},{"make":"KAWASAKI","model":"KLX 400","cc":null,"notes":null,"years":"2003–2006"},{"make":"KAWASAKI","model":"KLX 400R","cc":null,"notes":null,"years":"2003"},{"make":"SUZUKI","model":"DR-Z 400","cc":null,"notes":null,"years":"2000–2024"},{"make":"SUZUKI","model":"LT Z 400","cc":null,"notes":null,"years":"2003–2018"},{"make":"SUZUKI","model":"LT Z QUADSPORT 400","cc":null,"notes":null,"years":"2003–2018"},{"make":"SUZUKI","model":"LT-Z QUADSPORT 400","cc":null,"notes":null,"years":"2003–2018"},{"make":"SUZUKI","model":"LTZ 400","cc":null,"notes":null,"years":"2003–2009"}],"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-ltz400-kfx400-9000-prox-013420b-cr-1221","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/ff6c724b1512:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/ff6c724b1512:1"}},"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."]}}