The CCW SP550 monoblock wheels are the contemporary take on the classic five-spoke design, tailor-made for some of the most coveted domestic and imported high-performance vehicles. Unlike the SP500, the SP550 wheels feature thicker spokes, perfect for various SUV and Truck applications. Monoblock construction has definite advantages. Forged from 6061-T6 aluminum, the SP Series features superior balance because of monoblocks extremely low radial runout factor. These 100% machined wheels are held to exacting tolerances. Lack of seams and joints means a leak-proof, true wheel for thousands and thousands of miles. These CCW SP500 wheels are available in 18, 19 and 20 diameters and can be ordered with all custom CCW finishes.