Nitemare Performance, strongly recommends using a quality lead substitute as a fuel additive in all engines, not equipped with hardened valve seats and running modern unleaded pump gasoline, to protect the valve seats from excessive erosion. Therefore, any vehicle originally designed to run on leaded gasoline and now using unleaded fuel with the original cylinder heads should use this product. This product only replaces the valve seat wear protection afforded by the tetraethyl lead found in found in 'vintage' gasoline and does NOT have any octane boasting effect. Purchase Red line Lead Substitute 12oz bottles $9.25 each plus shipping  ($8 for 1st bottle & $1.00 shipping each additional bottle)  by clicking the 'add to cart' button below REMEMBER to enter the number of bottles  you wish to purchase after adding to the cart

 

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