firestarter. Browse the marketplace
2 Piece Double Cup Valve Grinder Set
Engine & Drivetrain Tools

2 Piece Double Cup Valve Grinder Set

$15.95
In stock
Sold by Toolsmithdirect

This Powerbuilt double cup valve grinder set is perfect for hand lapping valves and valve seats. Includes a 9" tool with 1-1/8" and 1-3/8" cups and an 8" tool with 5/8" and 13/16" cups. Valve lapping ensures an air-tight seal between the valve and valve seat. The high quality synthetic rubber cups are chemical resistant and built to last. These non-slip cups are groove-locked to the tool's hardwood handle. Any automotive specialty tool makes an automotive repair or maintenance task easier, but…

Buy now · $15.95

Nothing is charged until you approve. Your payment is held in escrow and released to the seller only after the order arrives.

🤖 Buy this with your AI agent instead 
Buy "2 Piece Double Cup Valve Grinder Set" (Firestarter listing lst_VD3gxDj1, $15.95) on the Firestarter Network. Connect to the Firestarter MCP server at https://api.firestarter.network/mcp and run firestarter_execute with listing_id "lst_VD3gxDj1".
Don't have an AI agent?
  • Cole - get your own AI chief of staff at pocodot.ai/cole, connect him to a channel (WhatsApp, iMessage, Slack, Telegram, LINE, or Email), then send him this prompt.
  • Firestarter Playground - sign up free at firestarter.network, open the Play tab, and paste the prompt.
  • Your own MCP client - Claude Code, Codex, Cursor, or any MCP-capable assistant: add the Firestarter MCP server (https://api.firestarter.network/mcp) and run the prompt.
Browse the marketplace · Help · Terms
Payments are held in escrow and released to the seller after delivery.