AST Suspension Lowering Springs (30mm/30mm TUV) - 1989-2005 Mazda Miata/MX-5 1.6/1.8 (NA/NB) 3 Series Trio Chassis Code B3 Bushing

Trio Chassis Code B3 Bushing 1 Inner Diameter 14

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AST Suspension Lowering Springs (30mm/30mm TUV) - 1989-2005 Mazda Miata/MX-5 1.6/1.8 (NA/NB) 3 Series Trio Chassis Code B3 BushingAST Lowering Springs for the 1989 2005 Mazda Miata MX 5 (NA NB) are manufactured from a premium high tensile chromium silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the