AST Suspension Lowering Springs (40mm/40mm) - 1977-1981 BMW 5 Series 518/520/525/528i/535i (E12) Q60 LX Chassis Code GC/GF Adjustable

LX Chassis Code GC/GF Adjustable Yes Bolt Thread Diameter 10 mm Grade Type Performance Grease Fitting Included No Greaseable No Installation Difficulty Moderate Installation Time (hrs) 1 Kit Contents 2 Links Length 65-70 mm Locking Nuts Included Yes Material Steel Pre-Greased Yes Washers Included Yes Vehicle Placement Rear Vehicle Placement Front Wheel Alignment Required No Notes Adjustable Extra Heavy Duty

30 Kg/mm Upper Mount - Front Rubber Bushings (OEM-style) Upper Mount - Rear Rubber Bushings (OEM-style) Suspension Design - Front True Coilover Suspension Design - Rear Divorced Rebuildable Yes Warranty 1 Year / 12

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AST Suspension Lowering Springs (40mm/40mm) - 1977-1981 BMW 5 Series 518/520/525/528i/535i (E12) Q60 LX Chassis Code GC/GF AdjustableAST Lowering Springs for the 1977 1981 BMW 5 Series (E12) 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 vehicle.