SPOON PROGRESSIVE SPRING For HONDA CIVIC FK7 51400-FK7-001Brand SPOON Series Name PROGRESSIVE SPRING Product Descriptions The biggest feature of the tenth generation Civic is compatibility of supple suspension feel and sporty handling performance, but in normal condition it is also where we want to stabilize the behavior a little more, such as roll and pitching. Therefore SPOON has developed a genuine shape spring with a normal ratio of about 30 mm down and a spring rate about 10% up. As the center of