Features & Benefits: Strict quality control standards to Build and test. Look for compatibility list for fitment or just ask us. Bore Diameter: 1 in Rearward Outlet Size: M12 X 1.0 Secondary Outlet Thread Diameter: M12 x 1.0; M12 x 1.5 Material: Aluminum Number of Outlets: 3 Mounting Hole Diameter (IN): 0.343 Part Numbers : M630366, M3766, 130.51036,585102E500 For the Following Cars: .