A simple lid that safeguards your precision mixes from dust, spills, and evaporation—vital for trackside efficiency.

Fits snugly on the Ratio Rite Cup, making it easy to tote without mess. In the chaos of race prep, this keeps things tidy and your engine fed properly.

SKU: WB301

Frequently Asked Questions

Q: Is this lid compatible with all Ratio Rite measuring cups?

A: Yes, this replacement lid is specifically designed to fit the standard Ratio Rite measuring cup (WB300) for a secure, snug fit.

Q: Why should I use a lid for my measuring cup at the track?

A: Using a lid prevents dust and debris from contaminating your fuel-oil mixture, stops accidental spills during transport, and prevents evaporation of volatile fuel components, ensuring your engine receives the exact ratio you intended.

Q: How do I clean the lid?

A: The lid is made of durable material that can be wiped clean with a shop rag or rinsed with mild soap and water. Ensure it is completely dry before sealing it back onto your measuring cup.

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