Supertech Valve Spring and Retainer Kit DUAL SPRING 70LB Ford/Mazda Duratec 2.0L/2.3L inc. Mazdaspeed 3 2007-2013 / Mazdaspeed 6 2006-2007
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$629.53$786.00
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Color
Black
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Description
Our dual valve springs are designed and manufactured to reduce valvetrain harmonics, increase durability, and provide an increase in performance for your high performance racing engine. All of our dual valve springs are manufactured using s...