Red Line Lead Substitute 12oz - 12-Pack - Valve Seat Protection, Off-Road

Red Line Lead Substitute is a fuel additive that protects older engines designed for leaded gasoline by preventing valve seat recession. It also cleans carburetor deposits and injectors and is safe for catalytic converters. One bottle treats up to 25 gallons of fuel. Intended for racing, marine, or off-road use only. This listing is a 12-pack of 12oz bottles.

Specifications

Directions

Add to the fuel tank. One bottle treats up to 25 gallons of gasoline.

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy