Formula Ford 1600 Valve Springs Correct Tension Sets US Sourced

Formula Ford Valve Springs 1.25 fitted length (90lbs @ 1.3" on the seat) sold in sets. These Formula Ford 1600 valve springs are sourced carefully to provide optimum pressure on the seat of 90lbs with 180lbs open. Available Formula Ford 1600 in 2 installed lengths for perfect application. These are used with great results by many good engine rebuilders.