{"type":"firestarter.listing","listing":{"id":"lst_mLDAPcBF","product_name":"Piston Ring Compressor Kit","category":"Installer Kits","description":"Keep piston rings in place during reassembly with this piston ring compressor kit. Innovative piston ring bands can be tightened to fit any piston from 2-7/8” (73mm) to 4-3/8” (111mm) in diameter.\nJust attach the ratcheting pliers to the band and compress in small increments until the proper size is reached. The band will hold the rings securely until the piston is reinstalled. Instructions are permanently fastened to the inside of the heavy duty storage case.\nKit Services: engines with piston diameters from 2-7/8” (73mm) to 4-3/8” (111mm)\nFeatures and Benefits\n\nKeeps piston rings in place during reassembly of pistons from 2-7/8” (73mm) to 4-3/8” (111mm) in diameter\nDurable storage case with step-by-step instructions\nPrecision-built to meet or exceed ANSI standards\nStrong and dependable enough to last a lifetime\n\nSet Includes\n\n2-7/8” through 3-1/8” (73mm through 79mm)\n3-1/8” through 3-3/8” (79mm through 86mm)\n3-3/8” through 3-5/8” (86mm through 92mm)\n3-5/8” through 3-7/8” (92mm through 98mm)\n3-7/8” through 4-1/8” (98mm through 105mm)\n4-1/8” through 4-3/8” (105mm through 111mm)\nRatchet pliers\nStorage case\nKit #69\n\nWARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov","images":["https://cdn.shopify.com/s/files/1/0443/2681/3852/files/940387-01-C.jpg?v=1776415109","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/940387-a.png?v=1776415109","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/940387-02.jpg?v=1776415109","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/940387-03.jpg?v=1776415109","https://cdn.shopify.com/s/files/1/0443/2681/3852/files/940387-04.jpg?v=1776415109"],"price":89.95,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:27:12.529Z"},"share_url":"https://firestarter.network/l/lst_mLDAPcBF","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_mLDAPcBF' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Piston Ring Compressor Kit' and a budget_max comfortably above $89.95 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}